Base | Representation |
---|---|
bin | 1001100111100110101100… |
… | …00011001001100001001111 |
3 | 2202220010000221201212121122 |
4 | 10303303112003021201033 |
5 | 10233023304042141101 |
6 | 112553033240551155 |
7 | 4312116346313126 |
oct | 463632603114117 |
9 | 82803027655548 |
10 | 21152010115151 |
11 | 6815576307373 |
12 | 24574994824bb |
13 | ba581a408176 |
14 | 531a96dc4abd |
15 | 26a32b8db51b |
hex | 133cd60c984f |
21152010115151 has 2 divisors, whose sum is σ = 21152010115152. Its totient is φ = 21152010115150.
The previous prime is 21152010115141. The next prime is 21152010115211. The reversal of 21152010115151 is 15151101025112.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 21152010115151 - 26 = 21152010115087 is a prime.
It is a super-2 number, since 2×211520101151512 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 21152010115151.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (21152010115141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10576005057575 + 10576005057576.
It is an arithmetic number, because the mean of its divisors is an integer number (10576005057576).
Almost surely, 221152010115151 is an apocalyptic number.
21152010115151 is a deficient number, since it is larger than the sum of its proper divisors (1).
21152010115151 is an equidigital number, since it uses as much as digits as its factorization.
21152010115151 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 500, while the sum is 26.
The spelling of 21152010115151 in words is "twenty-one trillion, one hundred fifty-two billion, ten million, one hundred fifteen thousand, one hundred fifty-one".
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