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102103213111120 = 24513120193816821
BaseRepresentation
bin10111001101110011000001…
…101111110111011101010000
3111101111222020110211200100001
4113031303001233313131100
5101340324340024023440
61001053322450535344
730335466542463604
oct2715630157673520
9441458213750301
10102103213111120
112a595802a80aa1
12b550353597554
1344c83a3a99220
141b2db71361504
15bc0e13b24b9a
hex5cdcc1bf7750

102103213111120 has 80 divisors (see below), whose sum is σ = 255653177430672. Its totient is φ = 37699288104960.

The previous prime is 102103213111093. The next prime is 102103213111147. The reversal of 102103213111120 is 21111312301201.

It is an interprime number because it is at equal distance from previous prime (102103213111093) and next prime (102103213111147).

It can be written as a sum of positive squares in 8 ways, for example, as 30520851586624 + 71582361524496 = 5524568^2 + 8460636^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1021032131111202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124592310 + ... + 125409130.

Almost surely, 2102103213111120 is an apocalyptic number.

102103213111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102103213111120 is an abundant number, since it is smaller than the sum of its proper divisors (153549964319552).

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

102103213111120 is a wasteful number, since it uses less digits than its factorization.

102103213111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937040 (or 937034 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102103213111120 its reverse (21111312301201), we get a palindrome (123214525412321).

The spelling of 102103213111120 in words is "one hundred two trillion, one hundred three billion, two hundred thirteen million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 120193 240386 480772 600965 816821 961544 1201930 1562509 1633642 1923088 2403860 3125018 3267284 4084105 4807720 6250036 6534568 7812545 8168210 9615440 10618673 12500072 13069136 15625090 16336420 21237346 25000144 31250180 32672840 42474692 53093365 62500360 65345680 84949384 106186730 125000720 169898768 212373460 424746920 849493840 98176166453 196352332906 392704665812 490880832265 785409331624 981761664530 1276290163889 1570818663248 1963523329060 2552580327778 3927046658120 5105160655556 6381450819445 7854093316240 10210321311112 12762901638890 20420642622224 25525803277780 51051606555560 102103213111120