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3129200004 = 223737252381
BaseRepresentation
bin1011101010000011…
…1100110110000100
322002002010211102110
42322200330312010
522402033400004
61234301341020
7140354522040
oct27240746604
98062124373
103129200004
111366396307
12733b67770
133ab3acb48
14219839020
15134ab5589
hexba83cd84

3129200004 has 24 divisors (see below), whose sum is σ = 8344533568. Its totient is φ = 894057120.

The previous prime is 3129199987. The next prime is 3129200057. The reversal of 3129200004 is 4000029213.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 18626107 + ... + 18626274.

Almost surely, 23129200004 is an apocalyptic number.

It is an amenable number.

3129200004 is an abundant number, since it is smaller than the sum of its proper divisors (5215333564).

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

3129200004 is a wasteful number, since it uses less digits than its factorization.

3129200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37252395 (or 37252393 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3129200004 is about 55939.2528015883. The cubic root of 3129200004 is about 1462.6635564909.

Adding to 3129200004 its reverse (4000029213), we get a palindrome (7129229217).

The spelling of 3129200004 in words is "three billion, one hundred twenty-nine million, two hundred thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 37252381 74504762 111757143 149009524 223514286 260766667 447028572 521533334 782300001 1043066668 1564600002 3129200004