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20161007004 = 22343201119429
BaseRepresentation
bin10010110001101100…
…001000110110011100
31221001001111021100010
4102301230020312130
5312242204211004
613132320203220
71312415506035
oct226154106634
957031437303
1020161007004
1186063a9a66
123aa7a69510
131b93b5b858
14d93837a8c
157cee71a89
hex4b1b08d9c

20161007004 has 48 divisors (see below), whose sum is σ = 48162773120. Its totient is φ = 6560447040.

The previous prime is 20161006993. The next prime is 20161007023. The reversal of 20161007004 is 40070016102.

It is a congruent 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, 1027962 + ... + 1047390.

Almost surely, 220161007004 is an apocalyptic number.

It is an amenable number.

20161007004 is an abundant number, since it is smaller than the sum of its proper divisors (28001766116).

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

20161007004 is a wasteful number, since it uses less digits than its factorization.

20161007004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 20161007004 in words is "twenty billion, one hundred sixty-one million, seven thousand, four".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 2011 4022 6033 8044 12066 19429 24132 38858 58287 77716 86473 116574 172946 233148 259419 345892 518838 835447 1037676 1670894 2506341 3341788 5012682 10025364 39071719 78143438 117215157 156286876 234430314 468860628 1680083917 3360167834 5040251751 6720335668 10080503502 20161007004