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23858940426 = 239756972047
BaseRepresentation
bin10110001110000110…
…101000101000001010
32021120202210202100020
4112032012220220022
5342330342043201
614543255521310
71503150435036
oct261606505012
967522722306
1023858940426
11a133828092
12475a389236
13233300a939
1412249db1c6
1594992aa36
hex58e1a8a0a

23858940426 has 32 divisors (see below), whose sum is σ = 48295215360. Its totient is φ = 7857048576.

The previous prime is 23858940419. The next prime is 23858940437. The reversal of 23858940426 is 62404985832.

It is a happy number.

It is a super-2 number, since 2×238589404262 (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 295135 + ... + 367181.

It is an arithmetic number, because the mean of its divisors is an integer number (1509225480).

Almost surely, 223858940426 is an apocalyptic number.

23858940426 is an abundant number, since it is smaller than the sum of its proper divisors (24436274934).

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

23858940426 is a wasteful number, since it uses less digits than its factorization.

23858940426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72718.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 23858940426 in words is "twenty-three billion, eight hundred fifty-eight million, nine hundred forty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 97 194 291 569 582 1138 1707 3414 55193 72047 110386 144094 165579 216141 331158 432282 6988559 13977118 20965677 40994743 41931354 81989486 122984229 245968458 3976490071 7952980142 11929470213 23858940426