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34357409492 = 2273139582269
BaseRepresentation
bin11111111111110111…
…000111011011010100
310021200102112020110212
4133333313013123110
51030330444100432
623441130304552
72324260106420
oct377767073324
9107612466425
1034357409492
11136309532aa
1267aa288158
133317065403
14193d037b80
15d6144d2b2
hex7ffdc76d4

34357409492 has 24 divisors (see below), whose sum is σ = 70931427840. Its totient is φ = 14249616480.

The previous prime is 34357409491. The next prime is 34357409521. The reversal of 34357409492 is 29490475343.

It is a self number, because there is not a number n which added to its sum of digits gives 34357409492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34357409491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19790267 + ... + 19792002.

It is an arithmetic number, because the mean of its divisors is an integer number (2955476160).

Almost surely, 234357409492 is an apocalyptic number.

It is an amenable number.

34357409492 is an abundant number, since it is smaller than the sum of its proper divisors (36574018348).

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

34357409492 is a wasteful number, since it uses less digits than its factorization.

34357409492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39582311 (or 39582309 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 34357409492 in words is "thirty-four billion, three hundred fifty-seven million, four hundred nine thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 39582269 79164538 158329076 277075883 554151766 1108303532 1227050339 2454100678 4908201356 8589352373 17178704746 34357409492