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29542988354985 = 3257417163151059
BaseRepresentation
bin1101011011110100000110…
…10100111001010110101001
310212121021121122122202010100
412231322003110321112221
512333013020004324420
6142455510025340013
76136260535452540
oct655720324712651
9125537548582110
1029542988354985
119460124818a66
123391767037609
131363b7950ba21
14741c61589157
153637331c1190
hex1ade835395a9

29542988354985 has 192 divisors, whose sum is σ = 60892564561920. Its totient is φ = 12969548928000.

The previous prime is 29542988354983. The next prime is 29542988354989. The reversal of 29542988354985 is 58945388924592.

29542988354985 is a `hidden beast` number, since 2 + 9 + 5 + 4 + 2 + 98 + 8 + 35 + 498 + 5 = 666.

It is not a de Polignac number, because 29542988354985 - 21 = 29542988354983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29542988354981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 578579386 + ... + 578630444.

It is an arithmetic number, because the mean of its divisors is an integer number (317148773760).

Almost surely, 229542988354985 is an apocalyptic number.

It is an amenable number.

29542988354985 is an abundant number, since it is smaller than the sum of its proper divisors (31349576206935).

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

29542988354985 is a wasteful number, since it uses less digits than its factorization.

29542988354985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51820 (or 51817 counting only the distinct ones).

The product of its digits is 8957952000, while the sum is 81.

The spelling of 29542988354985 in words is "twenty-nine trillion, five hundred forty-two billion, nine hundred eighty-eight million, three hundred fifty-four thousand, nine hundred eighty-five".