Base | Representation |
---|---|
bin | 1110101011010000100… |
… | …0000111100010111111 |
3 | 220002210101022200022002 |
4 | 3222310020013202333 |
5 | 13112330303130421 |
6 | 311454343412515 |
7 | 24134006513426 |
oct | 3526410074277 |
9 | 802711280262 |
10 | 252130130111 |
11 | 97a22981562 |
12 | 40a45a5413b |
13 | 1aa11499002 |
14 | c2bb6a22bd |
15 | 6859d33b0b |
hex | 3ab42078bf |
252130130111 has 4 divisors (see below), whose sum is σ = 253799866224. Its totient is φ = 250460394000.
The previous prime is 252130130107. The next prime is 252130130149. The reversal of 252130130111 is 111031031252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 252130130111 - 22 = 252130130107 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252130130171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834867830 + ... + 834868131.
It is an arithmetic number, because the mean of its divisors is an integer number (63449966556).
Almost surely, 2252130130111 is an apocalyptic number.
252130130111 is a deficient number, since it is larger than the sum of its proper divisors (1669736113).
252130130111 is a wasteful number, since it uses less digits than its factorization.
252130130111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1669736112.
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 252130130111 its reverse (111031031252), we get a palindrome (363161161363).
The spelling of 252130130111 in words is "two hundred fifty-two billion, one hundred thirty million, one hundred thirty thousand, one hundred eleven".
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