Base | Representation |
---|---|
bin | 1001001111010000110001… |
… | …11110110010001111111111 |
3 | 2122221011011002200100122100 |
4 | 10213220120332302033333 |
5 | 10130322334243001030 |
6 | 111112510414320143 |
7 | 4164516602240433 |
oct | 447503076621777 |
9 | 78834132610570 |
10 | 20315614422015 |
11 | 6522892794740 |
12 | 23413761b9053 |
13 | b449a60367c3 |
14 | 5033d10429c3 |
15 | 2536c8275360 |
hex | 127a18fb23ff |
20315614422015 has 48 divisors (see below), whose sum is σ = 38426258497536. Its totient is φ = 9847102948800.
The previous prime is 20315614421987. The next prime is 20315614422017. The reversal of 20315614422015 is 51022441651302.
20315614422015 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 6 + 1 + 442 + 201 + 5 = 666.
It is not a de Polignac number, because 20315614422015 - 25 = 20315614421983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20315614422017) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4336671 + ... + 7709600.
It is an arithmetic number, because the mean of its divisors is an integer number (800547052032).
Almost surely, 220315614422015 is an apocalyptic number.
20315614422015 is a deficient number, since it is larger than the sum of its proper divisors (18110644075521).
20315614422015 is a wasteful number, since it uses less digits than its factorization.
20315614422015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12049700 (or 12049697 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 20315614422015 in words is "twenty trillion, three hundred fifteen billion, six hundred fourteen million, four hundred twenty-two thousand, fifteen".
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