Base | Representation |
---|---|
bin | 11101001111100111… |
… | …001110101001100011 |
3 | 10000001100111101010202 |
4 | 131033213032221203 |
5 | 1003302004023010 |
6 | 22231500415415 |
7 | 2161063314215 |
oct | 351747165143 |
9 | 100040441122 |
10 | 31400454755 |
11 | 1235381345a |
12 | 6103b4756b |
13 | 2c65572857 |
14 | 173c4385b5 |
15 | c3ba5d6a5 |
hex | 74f9cea63 |
31400454755 has 4 divisors (see below), whose sum is σ = 37680545712. Its totient is φ = 25120363800.
The previous prime is 31400454727. The next prime is 31400454763. The reversal of 31400454755 is 55745400413.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 31400454755 - 210 = 31400453731 is a prime.
It is a super-2 number, since 2×314004547552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140045471 + ... + 3140045480.
It is an arithmetic number, because the mean of its divisors is an integer number (9420136428).
Almost surely, 231400454755 is an apocalyptic number.
31400454755 is a deficient number, since it is larger than the sum of its proper divisors (6280090957).
31400454755 is an equidigital number, since it uses as much as digits as its factorization.
31400454755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6280090956.
The product of its (nonzero) digits is 168000, while the sum is 38.
The spelling of 31400454755 in words is "thirty-one billion, four hundred million, four hundred fifty-four thousand, seven hundred fifty-five".
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