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34889769642 = 2371367394949
BaseRepresentation
bin100000011111100101…
…111010001010101010
310100001112020221022110
4200133211322022222
51032423240112032
624010024503150
72343413102010
oct403745721252
9110045227273
1034889769642
1113884402372
12691861aab6
1333a043a810
14198da148b0
15d930597cc
hex81f97a2aa

34889769642 has 64 divisors (see below), whose sum is σ = 86011027200. Its totient is φ = 9187928064.

The previous prime is 34889769617. The next prime is 34889769667. The reversal of 34889769642 is 24696798843.

34889769642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (34889769617) and next prime (34889769667).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319984 + ... + 414932.

It is an arithmetic number, because the mean of its divisors is an integer number (1343922300).

Almost surely, 234889769642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34889769642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43005513600).

34889769642 is an abundant number, since it is smaller than the sum of its proper divisors (51121257558).

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

34889769642 is a wasteful number, since it uses less digits than its factorization.

34889769642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95647.

The product of its digits is 125411328, while the sum is 66.

The spelling of 34889769642 in words is "thirty-four billion, eight hundred eighty-nine million, seven hundred sixty-nine thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 673 1346 2019 4038 4711 8749 9422 14133 17498 26247 28266 52494 61243 94949 122486 183729 189898 284847 367458 569694 664643 1234337 1329286 1993929 2468674 3703011 3987858 7406022 8640359 17280718 25921077 51842154 63900677 127801354 191702031 383404062 447304739 830708801 894609478 1341914217 1661417602 2492126403 2683828434 4984252806 5814961607 11629923214 17444884821 34889769642