Base | Representation |
---|---|
bin | 11100111010100111… |
… | …011101001110000000 |
3 | 2222010210122121201020 |
4 | 130322213131032000 |
5 | 1002041314133041 |
6 | 22132514305440 |
7 | 2146255166550 |
oct | 347247351600 |
9 | 88123577636 |
10 | 31048192896 |
11 | 12192993956 |
12 | 6025b88280 |
13 | 2c0a5a6c96 |
14 | 170773d160 |
15 | c1ab79866 |
hex | 73a9dd380 |
31048192896 has 128 divisors (see below), whose sum is σ = 99797909760. Its totient is φ = 8349081600.
The previous prime is 31048192859. The next prime is 31048192919. The reversal of 31048192896 is 69829184013.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294030 + ... + 385421.
It is an arithmetic number, because the mean of its divisors is an integer number (779671170).
Almost surely, 231048192896 is an apocalyptic number.
It is an amenable number.
31048192896 is an abundant number, since it is smaller than the sum of its proper divisors (68749716864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31048192896 is a wasteful number, since it uses less digits than its factorization.
31048192896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 679492 (or 679480 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 51.
The spelling of 31048192896 in words is "thirty-one billion, forty-eight million, one hundred ninety-two thousand, eight hundred ninety-six".
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