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29997934102500 = 2235471391148247
BaseRepresentation
bin1101101001000011100000…
…01101001100011111100100
310221012202220121100021212220
412310201300031030133210
512412441232112240000
6143444505523512340
76214164525505350
oct664416015143744
9127182817307786
1029997934102500
119616063835751
1234459735286b0
131397a404317b0
14759c9cc5a460
153704ad74b1a0
hex1b487034c7e4

29997934102500 has 480 divisors, whose sum is σ = 107770833494016. Its totient is φ = 6322155840000.

The previous prime is 29997934102471. The next prime is 29997934102553. The reversal of 29997934102500 is 520143979992.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 621733377 + ... + 621781623.

Almost surely, 229997934102500 is an apocalyptic number.

29997934102500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29997934102500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53885416747008).

29997934102500 is an abundant number, since it is smaller than the sum of its proper divisors (77772899391516).

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

29997934102500 is a wasteful number, since it uses less digits than its factorization.

29997934102500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49205 (or 49188 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 29997934102500 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred thirty-four million, one hundred two thousand, five hundred".