Base | Representation |
---|---|
bin | 11101100011110110… |
… | …111101000011010111 |
3 | 10000221000122020001021 |
4 | 131203312331003113 |
5 | 1010000432340203 |
6 | 22325312542011 |
7 | 2202356402542 |
oct | 354366750327 |
9 | 100830566037 |
10 | 31740121303 |
11 | 1250851aa10 |
12 | 6199851907 |
13 | 2cbaa4b487 |
14 | 17715b5859 |
15 | c5b7a55bd |
hex | 763dbd0d7 |
31740121303 has 32 divisors (see below), whose sum is σ = 36936000000. Its totient is φ = 26955371520.
The previous prime is 31740121271. The next prime is 31740121331. The reversal of 31740121303 is 30312104713.
It is not a de Polignac number, because 31740121303 - 25 = 31740121271 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 (31740121333) 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, 21173448 + ... + 21174946.
It is an arithmetic number, because the mean of its divisors is an integer number (1154250000).
Almost surely, 231740121303 is an apocalyptic number.
31740121303 is a deficient number, since it is larger than the sum of its proper divisors (5195878697).
31740121303 is a wasteful number, since it uses less digits than its factorization.
31740121303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2295.
The product of its (nonzero) digits is 1512, while the sum is 25.
The spelling of 31740121303 in words is "thirty-one billion, seven hundred forty million, one hundred twenty-one thousand, three hundred three".
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