Base | Representation |
---|---|
bin | 100100011000111101… |
… | …0000000010110011100 |
3 | 21110201011210201022011 |
4 | 1020301322000112130 |
5 | 2240021023410300 |
6 | 55522231001004 |
7 | 5434355665435 |
oct | 1106172002634 |
9 | 243634721264 |
10 | 78146700700 |
11 | 30161858972 |
12 | 1318b209164 |
13 | 74a51a2a03 |
14 | 3ad498a48c |
15 | 2075937eba |
hex | 1231e8059c |
78146700700 has 36 divisors (see below), whose sum is σ = 170872860312. Its totient is φ = 31020059200.
The previous prime is 78146700691. The next prime is 78146700701. The reversal of 78146700700 is 700764187.
It is a super-2 number, since 2×781467007002 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78146700701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969599 + ... + 2995798.
It is an arithmetic number, because the mean of its divisors is an integer number (4746468342).
Almost surely, 278146700700 is an apocalyptic number.
It is an amenable number.
78146700700 is an abundant number, since it is smaller than the sum of its proper divisors (92726159612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78146700700 is a wasteful number, since it uses less digits than its factorization.
78146700700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5965542 (or 5965535 counting only the distinct ones).
The product of its (nonzero) digits is 65856, while the sum is 40.
The spelling of 78146700700 in words is "seventy-eight billion, one hundred forty-six million, seven hundred thousand, seven hundred".
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