Base | Representation |
---|---|
bin | 100000011110001010101… |
… | …100110000100010000011 |
3 | 21220022200011000200021010 |
4 | 200132022230300202003 |
5 | 243024414220444210 |
6 | 4425033051532003 |
7 | 320133354452505 |
oct | 40361254604203 |
9 | 7808604020233 |
10 | 2231415015555 |
11 | 790379670160 |
12 | 30056845a003 |
13 | 13256315383b |
14 | 7a002cb9d75 |
15 | 3d09e3d9920 |
hex | 2078ab30883 |
2231415015555 has 32 divisors (see below), whose sum is σ = 3894934192128. Its totient is φ = 1081870214400.
The previous prime is 2231415015541. The next prime is 2231415015559. The reversal of 2231415015555 is 5555105141322.
It is not a de Polignac number, because 2231415015555 - 29 = 2231415015043 is a prime.
It is a super-3 number, since 3×22314150155553 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231415015559) 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, 7153662 + ... + 7459068.
It is an arithmetic number, because the mean of its divisors is an integer number (121716693504).
Almost surely, 22231415015555 is an apocalyptic number.
2231415015555 is a deficient number, since it is larger than the sum of its proper divisors (1663519176573).
2231415015555 is a wasteful number, since it uses less digits than its factorization.
2231415015555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349707.
The product of its (nonzero) digits is 150000, while the sum is 39.
The spelling of 2231415015555 in words is "two trillion, two hundred thirty-one billion, four hundred fifteen million, fifteen thousand, five hundred fifty-five".
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