Base | Representation |
---|---|
bin | 10001110011010000000100… |
… | …011100110111100101000010 |
3 | 101021012022220210112011111110 |
4 | 101303100010130313211002 |
5 | 40230140314032014114 |
6 | 434301203332424150 |
7 | 22330113631562310 |
oct | 2163200434674502 |
9 | 337168823464443 |
10 | 78288738548034 |
11 | 22a44081a22063 |
12 | 8944a70178056 |
13 | 348b79a2b0001 |
14 | 15492a37590b0 |
15 | 90b70a633759 |
hex | 473404737942 |
78288738548034 has 64 divisors (see below), whose sum is σ = 179130792960000. Its totient is φ = 22345076389248.
The previous prime is 78288738548023. The next prime is 78288738548093. The reversal of 78288738548034 is 43084583788287.
It is a super-2 number, since 2×782887385480342 (a number of 29 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, 600313167 + ... + 600443565.
It is an arithmetic number, because the mean of its divisors is an integer number (2798918640000).
Almost surely, 278288738548034 is an apocalyptic number.
78288738548034 is an abundant number, since it is smaller than the sum of its proper divisors (100842054411966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78288738548034 is a wasteful number, since it uses less digits than its factorization.
78288738548034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145087.
The product of its (nonzero) digits is 2312110080, while the sum is 75.
The spelling of 78288738548034 in words is "seventy-eight trillion, two hundred eighty-eight billion, seven hundred thirty-eight million, five hundred forty-eight thousand, thirty-four".
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