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203638211404 = 22411241696411
BaseRepresentation
bin1011110110100111001…
…0001000001101001100
3201110121220012222021221
42331221302020031030
511314022340231104
6233314453333124
720466226144225
oct2755162101514
9643556188257
10203638211404
11793a9509291
12335720371a4
1316283cba9a4
149bdb37a24c
15546ca82c54
hex2f69c8834c

203638211404 has 12 divisors (see below), whose sum is σ = 365058745128. Its totient is φ = 99335712800.

The previous prime is 203638211377. The next prime is 203638211443. The reversal of 203638211404 is 404112836302.

It is a super-3 number, since 3×2036382114043 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 203638211404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620848042 + ... + 620848369.

It is an arithmetic number, because the mean of its divisors is an integer number (30421562094).

Almost surely, 2203638211404 is an apocalyptic number.

It is an amenable number.

203638211404 is a deficient number, since it is larger than the sum of its proper divisors (161420533724).

203638211404 is a wasteful number, since it uses less digits than its factorization.

203638211404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241696456 (or 1241696454 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 203638211404 in words is "two hundred three billion, six hundred thirty-eight million, two hundred eleven thousand, four hundred four".

Divisors: 1 2 4 41 82 164 1241696411 2483392822 4966785644 50909552851 101819105702 203638211404