Base | Representation |
---|---|
bin | 100000110011101111… |
… | …0000110100101000111 |
3 | 20201212011022020101111 |
4 | 1001213132012211013 |
5 | 2123243041440010 |
6 | 52211120105451 |
7 | 5042644125262 |
oct | 1014736064507 |
9 | 221764266344 |
10 | 70455421255 |
11 | 2797528087a |
12 | 117a3465287 |
13 | 684a8c1a9b |
14 | 35a52c5cd9 |
15 | 1c755c058a |
hex | 1067786947 |
70455421255 has 32 divisors (see below), whose sum is σ = 88747954560. Its totient is φ = 53593351680.
The previous prime is 70455421247. The next prime is 70455421259. The reversal of 70455421255 is 55212455407.
It is a happy number.
It is not a de Polignac number, because 70455421255 - 23 = 70455421247 is a prime.
It is a super-3 number, since 3×704554212553 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70455421259) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20355225 + ... + 20358685.
It is an arithmetic number, because the mean of its divisors is an integer number (2773373580).
Almost surely, 270455421255 is an apocalyptic number.
70455421255 is a deficient number, since it is larger than the sum of its proper divisors (18292533305).
70455421255 is a wasteful number, since it uses less digits than its factorization.
70455421255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4491.
The product of its (nonzero) digits is 280000, while the sum is 40.
The spelling of 70455421255 in words is "seventy billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred fifty-five".
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