Base | Representation |
---|---|
bin | 11101011011101100… |
… | …111011010010110110 |
3 | 10000120111010201010020 |
4 | 131123230323102312 |
5 | 1004210414244214 |
6 | 22303543510010 |
7 | 2166105255540 |
oct | 353354732266 |
9 | 100514121106 |
10 | 31603274934 |
11 | 12448252240 |
12 | 615ba58306 |
13 | 2c985a66aa |
14 | 175b352690 |
15 | c4e7734a9 |
hex | 75bb3b4b6 |
31603274934 has 64 divisors (see below), whose sum is σ = 78869970432. Its totient is φ = 8201664000.
The previous prime is 31603274933. The next prime is 31603274947. The reversal of 31603274934 is 43947230613.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31603274933) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526384 + ... + 583340.
It is an arithmetic number, because the mean of its divisors is an integer number (1232343288).
Almost surely, 231603274934 is an apocalyptic number.
31603274934 is an abundant number, since it is smaller than the sum of its proper divisors (47266695498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31603274934 is a wasteful number, since it uses less digits than its factorization.
31603274934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58181.
The product of its (nonzero) digits is 326592, while the sum is 42.
The spelling of 31603274934 in words is "thirty-one billion, six hundred three million, two hundred seventy-four thousand, nine hundred thirty-four".
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