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1025051542320 = 243513328542161
BaseRepresentation
bin11101110101010011101…
…01010100001100110000
310121222211121022122001210
432322221311110030300
5113243301143323240
62102522512000120
7134025506230401
oct16725165241460
93558747278053
101025051542320
113657a3966483
121467b3830040
137587b3aa470
14378815a99a8
151b9e5c1a780
hexeea9d54330

1025051542320 has 80 divisors (see below), whose sum is σ = 3422095159392. Its totient is φ = 252320378880.

The previous prime is 1025051542309. The next prime is 1025051542327. The reversal of 1025051542320 is 232451505201.

1025051542320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10250515423202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1025051542327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164267961 + ... + 164274200.

Almost surely, 21025051542320 is an apocalyptic number.

1025051542320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025051542320 is an abundant number, since it is smaller than the sum of its proper divisors (2397043617072).

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

1025051542320 is a wasteful number, since it uses less digits than its factorization.

1025051542320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328542190 (or 328542184 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 1025051542320 in words is "one trillion, twenty-five billion, fifty-one million, five hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 328542161 657084322 985626483 1314168644 1642710805 1971252966 2628337288 3285421610 3942505932 4271048093 4928132415 5256674576 6570843220 7885011864 8542096186 9856264830 12813144279 13141686440 15770023728 17084192372 19712529660 21355240465 25626288558 26283372880 34168384744 39425059320 42710480930 51252577116 64065721395 68336769488 78850118640 85420961860 102505154232 128131442790 170841923720 205010308464 256262885580 341683847440 512525771160 1025051542320