Base | Representation |
---|---|
bin | 10011101001001000… |
… | …11011001011000011 |
3 | 1000012221111000200010 |
4 | 21310210123023003 |
5 | 133044140441011 |
6 | 4502233400003 |
7 | 522221314335 |
oct | 116444331303 |
9 | 30187430603 |
10 | 10545640131 |
11 | 4521814574 |
12 | 2063869003 |
13 | cc0a62360 |
14 | 7207d9455 |
15 | 41ac3e1a6 |
hex | 27491b2c3 |
10545640131 has 16 divisors (see below), whose sum is σ = 15197139104. Its totient is φ = 6466189824.
The previous prime is 10545640121. The next prime is 10545640151. The reversal of 10545640131 is 13104654501.
It is a happy number.
It is not a de Polignac number, because 10545640131 - 25 = 10545640099 is a prime.
It is a super-2 number, since 2×105456401312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10545640121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477286 + ... + 498891.
It is an arithmetic number, because the mean of its divisors is an integer number (949821194).
Almost surely, 210545640131 is an apocalyptic number.
10545640131 is a deficient number, since it is larger than the sum of its proper divisors (4651498973).
10545640131 is a wasteful number, since it uses less digits than its factorization.
10545640131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 976470.
The product of its (nonzero) digits is 7200, while the sum is 30.
The spelling of 10545640131 in words is "ten billion, five hundred forty-five million, six hundred forty thousand, one hundred thirty-one".
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