Base | Representation |
---|---|
bin | 100010011111100… |
… | …0011111110111110 |
3 | 2222122211002201220 |
4 | 1010333003332332 |
5 | 4332242211303 |
6 | 310502414210 |
7 | 40452404526 |
oct | 10477037676 |
9 | 2878732656 |
10 | 1157382078 |
11 | 544348316 |
12 | 283731366 |
13 | 155a22188 |
14 | ad9d8686 |
15 | 6b91d053 |
hex | 44fc3fbe |
1157382078 has 32 divisors (see below), whose sum is σ = 2342681376. Its totient is φ = 381155328.
The previous prime is 1157382067. The next prime is 1157382091. The reversal of 1157382078 is 8702837511.
It is a congruent number.
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, 425250 + ... + 427962.
It is an arithmetic number, because the mean of its divisors is an integer number (73208793).
Almost surely, 21157382078 is an apocalyptic number.
1157382078 is an abundant number, since it is smaller than the sum of its proper divisors (1185299298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1157382078 is a wasteful number, since it uses less digits than its factorization.
1157382078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3548.
The product of its (nonzero) digits is 94080, while the sum is 42.
The square root of 1157382078 is about 34020.3186052100. The cubic root of 1157382078 is about 1049.9265490570.
The spelling of 1157382078 in words is "one billion, one hundred fifty-seven million, three hundred eighty-two thousand, seventy-eight".
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