Base | Representation |
---|---|
bin | 1110010010101110111111… |
… | …10101010110100011010010 |
3 | 11010021200101220022221001200 |
4 | 13021113133311112203102 |
5 | 13104422200414310002 |
6 | 150502431254412030 |
7 | 6422513316411252 |
oct | 711273765264322 |
9 | 133250356287050 |
10 | 31430031010002 |
11 | a018446142679 |
12 | 3637425961016 |
13 | 146caba977b11 |
14 | 7a9316193962 |
15 | 39787963ab1c |
hex | 1c95dfd568d2 |
31430031010002 has 24 divisors (see below), whose sum is σ = 68111755966800. Its totient is φ = 10474622319480.
The previous prime is 31430031009989. The next prime is 31430031010019. The reversal of 31430031010002 is 20001013003413.
31430031010002 is a `hidden beast` number, since 314 + 30 + 0 + 310 + 10 + 0 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171129324 + ... + 171312887.
It is an arithmetic number, because the mean of its divisors is an integer number (2837989831950).
Almost surely, 231430031010002 is an apocalyptic number.
31430031010002 is an abundant number, since it is smaller than the sum of its proper divisors (36681724956798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31430031010002 is a wasteful number, since it uses less digits than its factorization.
31430031010002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342447318 (or 342447315 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 31430031010002 its reverse (20001013003413), we get a palindrome (51431044013415).
The spelling of 31430031010002 in words is "thirty-one trillion, four hundred thirty billion, thirty-one million, ten thousand, two".
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