Base | Representation |
---|---|
bin | 111111100001011… |
… | …1000011100111100 |
3 | 12111112201111010010 |
4 | 1333002320130330 |
5 | 13331123240243 |
6 | 551300343220 |
7 | 103551061530 |
oct | 17702703474 |
9 | 5445644103 |
10 | 2131461948 |
11 | 9a4177a00 |
12 | 4b59a4b10 |
13 | 27c7853b5 |
14 | 163119bc0 |
15 | c71ce433 |
hex | 7f0b873c |
2131461948 has 72 divisors (see below), whose sum is σ = 6247620736. Its totient is φ = 553623840.
The previous prime is 2131461931. The next prime is 2131461953. The reversal of 2131461948 is 8491641312.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94690 + ... + 115017.
Almost surely, 22131461948 is an apocalyptic number.
2131461948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2131461948 is an abundant number, since it is smaller than the sum of its proper divisors (4116158788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131461948 is a wasteful number, since it uses less digits than its factorization.
2131461948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209743 (or 209730 counting only the distinct ones).
The product of its digits is 41472, while the sum is 39.
The square root of 2131461948 is about 46167.7587500195. The cubic root of 2131461948 is about 1286.9426521309.
The spelling of 2131461948 in words is "two billion, one hundred thirty-one million, four hundred sixty-one thousand, nine hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •