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10023604869 = 3191571120081
BaseRepresentation
bin10010101010111010…
…00001001010000101
3221212120011212220210
421111131001022011
5131012020323434
64334344350033
7503252143545
oct112535011205
927776155823
1010023604869
114284077773
121b38a75319
13c39863655
146b1349325
153d9ec1ee9
hex255741285

10023604869 has 16 divisors (see below), whose sum is σ = 14157836480. Its totient is φ = 6290369280.

The previous prime is 10023604837. The next prime is 10023604873. The reversal of 10023604869 is 96840632001.

It is not a de Polignac number, because 10023604869 - 25 = 10023604837 is a prime.

It is a super-2 number, since 2×100236048692 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023604169) 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, 551092 + ... + 568989.

It is an arithmetic number, because the mean of its divisors is an integer number (884864780).

Almost surely, 210023604869 is an apocalyptic number.

10023604869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10023604869 is a deficient number, since it is larger than the sum of its proper divisors (4134231611).

10023604869 is a wasteful number, since it uses less digits than its factorization.

10023604869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120260.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 10023604869 in words is "ten billion, twenty-three million, six hundred four thousand, eight hundred sixty-nine".

Divisors: 1 3 19 57 157 471 2983 8949 1120081 3360243 21281539 63844617 175852717 527558151 3341201623 10023604869