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1023102231120 = 243252948999149
BaseRepresentation
bin11101110001101011010…
…01010010001001010000
310121210210202100100210200
432320311221102021100
5113230303132343440
62102001235255200
7133626266322354
oct16706551221120
93553722310720
101023102231120
113649935a0092
1214634aa4a500
137562a59cb98
1437738747464
151b92ea1bc30
hexee35a52250

1023102231120 has 120 divisors (see below), whose sum is σ = 3554398341000. Its totient is φ = 263419419648.

The previous prime is 1023102231059. The next prime is 1023102231127. The reversal of 1023102231120 is 211322013201.

1023102231120 is a `hidden beast` number, since 1 + 0 + 2 + 310 + 2 + 231 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 147253317696 + 875848913424 = 383736^2 + 935868^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1023102231093 and 1023102231102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023102231127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24478695 + ... + 24520454.

It is an arithmetic number, because the mean of its divisors is an integer number (29619986175).

Almost surely, 21023102231120 is an apocalyptic number.

1023102231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023102231120 is an abundant number, since it is smaller than the sum of its proper divisors (2531296109880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023102231120 is a wasteful number, since it uses less digits than its factorization.

1023102231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48999197 (or 48999188 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1023102231120 its reverse (211322013201), we get a palindrome (1234424244321).

The spelling of 1023102231120 in words is "one trillion, twenty-three billion, one hundred two million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 144 145 174 180 232 240 261 290 348 360 435 464 522 580 696 720 870 1044 1160 1305 1392 1740 2088 2320 2610 3480 4176 5220 6960 10440 20880 48999149 97998298 146997447 195996596 244995745 293994894 391993192 440992341 489991490 587989788 734987235 783986384 881984682 979982980 1175979576 1420975321 1469974470 1763969364 1959965960 2204961705 2351959152 2841950642 2939948940 3527938728 3919931920 4262925963 4409923410 5683901284 5879897880 7055877456 7104876605 8525851926 8819846820 11367802568 11759795760 12788777889 14209753210 17051703852 17639693640 21314629815 22735605136 25577555778 28419506420 34103407704 35279387280 42629259630 51155111556 56839012840 63943889445 68206815408 85258519260 102310223112 113678025680 127887778890 170517038520 204620446224 255775557780 341034077040 511551115560 1023102231120