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23538834068 = 2231439432413
BaseRepresentation
bin10101111011000001…
…100001101010010100
32020202110110122222012
4111323001201222110
5341201420142233
614451422523352
71462212534251
oct257301415224
966673418865
1023538834068
119a8a070482
12468b136558
1322b18c01a9
1411d42b2428
1592b799548
hex57b061a94

23538834068 has 24 divisors (see below), whose sum is σ = 42618723840. Its totient is φ = 11363787360.

The previous prime is 23538834017. The next prime is 23538834107. The reversal of 23538834068 is 86043883532.

It is a super-3 number, since 3×235388340683 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161771 + ... + 270642.

It is an arithmetic number, because the mean of its divisors is an integer number (1775780160).

Almost surely, 223538834068 is an apocalyptic number.

It is an amenable number.

23538834068 is a deficient number, since it is larger than the sum of its proper divisors (19079889772).

23538834068 is a wasteful number, since it uses less digits than its factorization.

23538834068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432887 (or 432885 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 23538834068 in words is "twenty-three billion, five hundred thirty-eight million, eight hundred thirty-four thousand, sixty-eight".

Divisors: 1 2 4 31 62 124 439 878 1756 13609 27218 54436 432413 864826 1729652 13404803 26809606 53619212 189829307 379658614 759317228 5884708517 11769417034 23538834068