Base | Representation |
---|---|
bin | 100000101001110110… |
… | …1010111100000111110 |
3 | 20201000001110010011210 |
4 | 1001103231113200332 |
5 | 2122103203102322 |
6 | 52114154025250 |
7 | 5031510063231 |
oct | 1012355274076 |
9 | 221001403153 |
10 | 70123878462 |
11 | 27815112870 |
12 | 11710418226 |
13 | 67c6ccba11 |
14 | 3573261418 |
15 | 1c5643070c |
hex | 1053b5783e |
70123878462 has 32 divisors (see below), whose sum is σ = 154482981120. Its totient is φ = 21043350720.
The previous prime is 70123878439. The next prime is 70123878481. The reversal of 70123878462 is 26487832107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5150887 + ... + 5164482.
It is an arithmetic number, because the mean of its divisors is an integer number (4827593160).
Almost surely, 270123878462 is an apocalyptic number.
70123878462 is an abundant number, since it is smaller than the sum of its proper divisors (84359102658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70123878462 is a wasteful number, since it uses less digits than its factorization.
70123878462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10315488.
The product of its (nonzero) digits is 903168, while the sum is 48.
The spelling of 70123878462 in words is "seventy billion, one hundred twenty-three million, eight hundred seventy-eight thousand, four hundred sixty-two".
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