Base | Representation |
---|---|
bin | 10001110000100011001001… |
… | …101111111000000101011010 |
3 | 101020112120200020112210211000 |
4 | 101300203021233320011122 |
5 | 40214120041420100440 |
6 | 434040015521045430 |
7 | 22310521612626315 |
oct | 2160431157700532 |
9 | 336476606483730 |
10 | 78103070081370 |
11 | 22982364a10a94 |
12 | 8914a94186876 |
13 | 347711b18b699 |
14 | 15402ccbb197c |
15 | 90699047e730 |
hex | 4708c9bf815a |
78103070081370 has 64 divisors (see below), whose sum is σ = 209026748528640. Its totient is φ = 20752295857344.
The previous prime is 78103070081359. The next prime is 78103070081381. The reversal of 78103070081370 is 7318007030187.
It is an interprime number because it is at equal distance from previous prime (78103070081359) and next prime (78103070081381).
It is a super-2 number, since 2×781030700813702 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 522074362 + ... + 522223941.
It is an arithmetic number, because the mean of its divisors is an integer number (3266042945760).
Almost surely, 278103070081370 is an apocalyptic number.
78103070081370 is an abundant number, since it is smaller than the sum of its proper divisors (130923678447270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78103070081370 is a wasteful number, since it uses less digits than its factorization.
78103070081370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044298596 (or 1044298590 counting only the distinct ones).
The product of its (nonzero) digits is 197568, while the sum is 45.
The spelling of 78103070081370 in words is "seventy-eight trillion, one hundred three billion, seventy million, eighty-one thousand, three hundred seventy".
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