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20233835816 = 2323791391981
BaseRepresentation
bin10010110110000001…
…111101010100101000
31221020010112100200112
4102312001331110220
5312414330221231
613143441153452
71314261523655
oct226601752450
957203470615
1020233835816
118643522367
123b0832b888
131ba5c7ab1c
14d9d394c2c
157d655a92b
hex4b607d528

20233835816 has 32 divisors (see below), whose sum is σ = 40089081600. Its totient is φ = 9554550720.

The previous prime is 20233835807. The next prime is 20233835827. The reversal of 20233835816 is 61853833202.

It is a super-2 number, since 2×202338358162 (a number of 21 digits) contains 22 as substring.

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, 681455 + ... + 710526.

It is an arithmetic number, because the mean of its divisors is an integer number (1252783800).

Almost surely, 220233835816 is an apocalyptic number.

It is an amenable number.

20233835816 is a deficient number, since it is larger than the sum of its proper divisors (19855245784).

20233835816 is a wasteful number, since it uses less digits than its factorization.

20233835816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392089 (or 1392085 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 20233835816 in words is "twenty billion, two hundred thirty-three million, eight hundred thirty-five thousand, eight hundred sixteen".

Divisors: 1 2 4 8 23 46 79 92 158 184 316 632 1817 3634 7268 14536 1391981 2783962 5567924 11135848 32015563 64031126 109966499 128062252 219932998 256124504 439865996 879731992 2529229477 5058458954 10116917908 20233835816