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34278108145 = 5192879125329
BaseRepresentation
bin11111111011001000…
…100110101111110001
310021110220022022110221
4133323020212233301
51030200143430040
623425214453041
72322305053231
oct377310465761
9107426268427
1034278108145
11135a0109aa6
126787804181
1333037bb038
1419326b3cc1
15d594d674a
hex7fb226bf1

34278108145 has 16 divisors (see below), whose sum is σ = 43314048000. Its totient is φ = 25969966848.

The previous prime is 34278108119. The next prime is 34278108217. The reversal of 34278108145 is 54180187243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34278108145 is a prime.

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, 210841 + ... + 336169.

It is an arithmetic number, because the mean of its divisors is an integer number (2707128000).

Almost surely, 234278108145 is an apocalyptic number.

It is an amenable number.

34278108145 is a deficient number, since it is larger than the sum of its proper divisors (9035939855).

34278108145 is a wasteful number, since it uses less digits than its factorization.

34278108145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128232.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 34278108145 in words is "thirty-four billion, two hundred seventy-eight million, one hundred eight thousand, one hundred forty-five".

Divisors: 1 5 19 95 2879 14395 54701 125329 273505 626645 2381251 11906255 360822191 1804110955 6855621629 34278108145