Base | Representation |
---|---|
bin | 100011010001001010000000… |
… | …1000001100110100100100010 |
3 | 1111200101212011111212012000000 |
4 | 1012202110001001212210202 |
5 | 311130131014231121010 |
6 | 3015441353443440430 |
7 | 122225512531235643 |
oct | 10642240101464442 |
9 | 1450355144765000 |
10 | 310221210020130 |
11 | 8a9340926737a2 |
12 | 2a962b47686116 |
13 | 10413971b49376 |
14 | 5686b029096ca |
15 | 25ce873d0b7c0 |
hex | 11a2501066922 |
310221210020130 has 56 divisors (see below), whose sum is σ = 837214277925852. Its totient is φ = 82725656003424.
The previous prime is 310221210020003. The next prime is 310221210020143. The reversal of 310221210020130 is 31020012122013.
310221210020130 is a `hidden beast` number, since 3 + 1 + 0 + 221 + 210 + 0 + 201 + 30 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 291837464729001 + 18383745291129 = 17083251^2 + 4287627^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21277167609 + ... + 21277182188.
Almost surely, 2310221210020130 is an apocalyptic number.
310221210020130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
310221210020130 is an abundant number, since it is smaller than the sum of its proper divisors (526993067905722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310221210020130 is an equidigital number, since it uses as much as digits as its factorization.
310221210020130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42554349822 (or 42554349807 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 310221210020130 its reverse (31020012122013), we get a palindrome (341241222142143).
The spelling of 310221210020130 in words is "three hundred ten trillion, two hundred twenty-one billion, two hundred ten million, twenty thousand, one hundred thirty".
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