Base | Representation |
---|---|
bin | 1101110001010000101001… |
… | …01010100010000011010010 |
3 | 10222012201121221012020202010 |
4 | 12320220110222202003102 |
5 | 12432101131212140032 |
6 | 144222213425403350 |
7 | 6243435211300152 |
oct | 670502452420322 |
9 | 128181557166663 |
10 | 30279866130642 |
11 | 971468a0442a7 |
12 | 3490535a99556 |
13 | 13b84c0c2149b |
14 | 7697a651a762 |
15 | 3779aeac6ccc |
hex | 1b8a14aa20d2 |
30279866130642 has 64 divisors (see below), whose sum is σ = 62957932876800. Its totient is φ = 9698272819200.
The previous prime is 30279866130601. The next prime is 30279866130667. The reversal of 30279866130642 is 24603166897203.
It is a super-2 number, since 2×302798661306422 (a number of 28 digits) contains 22 as substring.
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, 69650298 + ... + 70083690.
It is an arithmetic number, because the mean of its divisors is an integer number (983717701200).
Almost surely, 230279866130642 is an apocalyptic number.
30279866130642 is an abundant number, since it is smaller than the sum of its proper divisors (32678066746158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30279866130642 is a wasteful number, since it uses less digits than its factorization.
30279866130642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436099.
The product of its (nonzero) digits is 15676416, while the sum is 57.
The spelling of 30279866130642 in words is "thirty trillion, two hundred seventy-nine billion, eight hundred sixty-six million, one hundred thirty thousand, six hundred forty-two".
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