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20030111738 = 27131011139643
BaseRepresentation
bin10010101001111000…
…110011111111111010
31220200221012002210022
4102221320303333322
5312010202033423
613111322450442
71306236066140
oct225170637772
956627162708
1020030111738
11854952645a
123a70063a22
131b729bb730
14d802c3590
157c3717dc8
hex4a9e33ffa

20030111738 has 64 divisors (see below), whose sum is σ = 37679185152. Its totient is φ = 7775308800.

The previous prime is 20030111677. The next prime is 20030111741. The reversal of 20030111738 is 83711103002.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2072345 + ... + 2081987.

It is an arithmetic number, because the mean of its divisors is an integer number (588737268).

Almost surely, 220030111738 is an apocalyptic number.

20030111738 is a deficient number, since it is larger than the sum of its proper divisors (17649073414).

20030111738 is a wasteful number, since it uses less digits than its factorization.

20030111738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 20030111738 in words is "twenty billion, thirty million, one hundred eleven thousand, seven hundred thirty-eight".

Divisors: 1 2 7 13 14 26 91 101 113 182 202 226 707 791 1313 1414 1469 1582 2626 2938 9191 9643 10283 11413 18382 19286 20566 22826 67501 79891 125359 135002 148369 159782 250718 296738 877513 973943 1038583 1089659 1755026 1947886 2077166 2179318 6817601 7627613 12661259 13635202 14165567 15255226 25322518 28331134 88628813 99158969 110055559 177257626 198317938 220111118 770388913 1430722267 1540777826 2861444534 10015055869 20030111738