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34387123172 = 22192915602143
BaseRepresentation
bin100000000001101000…
…011101101111100100
310021202111102211222112
4200001220131233210
51030411100420142
623444111220152
72325100503263
oct400150355744
9107674384875
1034387123172
11136466a8666
1267b8217658
133320269c7c
141942d705da
15d63d6c382
hex801a1dbe4

34387123172 has 24 divisors (see below), whose sum is σ = 65529004800. Its totient is φ = 15726959136.

The previous prime is 34387123171. The next prime is 34387123273. The reversal of 34387123172 is 27132178343.

It is not an unprimeable number, because it can be changed into a prime (34387123171) 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, 7798868 + ... + 7803275.

It is an arithmetic number, because the mean of its divisors is an integer number (2730375200).

Almost surely, 234387123172 is an apocalyptic number.

It is an amenable number.

34387123172 is a deficient number, since it is larger than the sum of its proper divisors (31141881628).

34387123172 is a wasteful number, since it uses less digits than its factorization.

34387123172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15602195 (or 15602193 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The spelling of 34387123172 in words is "thirty-four billion, three hundred eighty-seven million, one hundred twenty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 19 29 38 58 76 116 551 1102 2204 15602143 31204286 62408572 296440717 452462147 592881434 904924294 1185762868 1809848588 8596780793 17193561586 34387123172