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29493630680 = 235737340767
BaseRepresentation
bin11011011101111101…
…010001011011011000
32211010110110200020212
4123131331101123120
5440400332140210
621314342510252
72062610503313
oct333575213330
984113420225
1029493630680
1111565427298
125871435388
132a204bcb97
1415db0b597a
15b79453805
hex6ddf516d8

29493630680 has 16 divisors (see below), whose sum is σ = 66360669120. Its totient is φ = 11797452256.

The previous prime is 29493630643. The next prime is 29493630709. The reversal of 29493630680 is 8603639492.

It is a congruent number.

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, 368670344 + ... + 368670423.

It is an arithmetic number, because the mean of its divisors is an integer number (4147541820).

Almost surely, 229493630680 is an apocalyptic number.

29493630680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29493630680 is an abundant number, since it is smaller than the sum of its proper divisors (36867038440).

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

29493630680 is a wasteful number, since it uses less digits than its factorization.

29493630680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737340778 (or 737340774 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 29493630680 in words is "twenty-nine billion, four hundred ninety-three million, six hundred thirty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 737340767 1474681534 2949363068 3686703835 5898726136 7373407670 14746815340 29493630680