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29689791252 = 22311239941099
BaseRepresentation
bin11011101001101001…
…100100001100010100
32211122010120122222020
4123221221210030110
5441301041310002
621350031133140
72100512030112
oct335151441424
984563518866
1029689791252
1111656127670
1259070741b0
132a52031724
141619178ab2
15b8b7a02bc
hex6e9a64314

29689791252 has 48 divisors (see below), whose sum is σ = 75890304000. Its totient is φ = 8959252960.

The previous prime is 29689791233. The next prime is 29689791281. The reversal of 29689791252 is 25219798692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439002 + ... + 502097.

It is an arithmetic number, because the mean of its divisors is an integer number (1581048000).

Almost surely, 229689791252 is an apocalyptic number.

29689791252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29689791252 is an abundant number, since it is smaller than the sum of its proper divisors (46200512748).

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

29689791252 is a wasteful number, since it uses less digits than its factorization.

29689791252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941356 (or 941354 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 60.

The spelling of 29689791252 in words is "twenty-nine billion, six hundred eighty-nine million, seven hundred ninety-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 239 478 717 956 1434 2629 2868 5258 7887 10516 15774 31548 941099 1882198 2823297 3764396 5646594 10352089 11293188 20704178 31056267 41408356 62112534 124225068 224922661 449845322 674767983 899690644 1349535966 2474149271 2699071932 4948298542 7422447813 9896597084 14844895626 29689791252