Base | Representation |
---|---|
bin | 100000110010101101… |
… | …1111111000001000011 |
3 | 20201202210010021200021 |
4 | 1001211123333001003 |
5 | 2123210323432210 |
6 | 52203501034311 |
7 | 5042051162140 |
oct | 1014533770103 |
9 | 221683107607 |
10 | 70421311555 |
11 | 27957aa3741 |
12 | 11793b55997 |
13 | 684380b32a |
14 | 35a09673c7 |
15 | 1c725d3bda |
hex | 10656ff043 |
70421311555 has 8 divisors (see below), whose sum is σ = 96577798752. Its totient is φ = 48288899328.
The previous prime is 70421311537. The next prime is 70421311577. The reversal of 70421311555 is 55511312407.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70421311555 - 213 = 70421303363 is a prime.
It is a super-2 number, since 2×704213115552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70421311555.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006018702 + ... + 1006018771.
It is an arithmetic number, because the mean of its divisors is an integer number (12072224844).
Almost surely, 270421311555 is an apocalyptic number.
70421311555 is a deficient number, since it is larger than the sum of its proper divisors (26156487197).
70421311555 is a wasteful number, since it uses less digits than its factorization.
70421311555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2012037485.
The product of its (nonzero) digits is 21000, while the sum is 34.
The spelling of 70421311555 in words is "seventy billion, four hundred twenty-one million, three hundred eleven thousand, five hundred fifty-five".
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