Base | Representation |
---|---|
bin | 10010111000110011… |
… | …11111011110001101 |
3 | 222011200200011202120 |
4 | 21130121333132031 |
5 | 131231401031140 |
6 | 4354112443153 |
7 | 506166502020 |
oct | 113431773615 |
9 | 28150604676 |
10 | 10140252045 |
11 | 43339a94a0 |
12 | 1b6bb494b9 |
13 | c57a85451 |
14 | 6c2a311b7 |
15 | 3e53641d0 |
hex | 25c67f78d |
10140252045 has 64 divisors (see below), whose sum is σ = 20698343424. Its totient is φ = 4116107520.
The previous prime is 10140252043. The next prime is 10140252049. The reversal of 10140252045 is 54025204101.
It is not a de Polignac number, because 10140252045 - 21 = 10140252043 is a prime.
It is a super-2 number, since 2×101402520452 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10140252041) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52422 + ... + 151751.
It is an arithmetic number, because the mean of its divisors is an integer number (323411616).
Almost surely, 210140252045 is an apocalyptic number.
10140252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10140252045 is an abundant number, since it is smaller than the sum of its proper divisors (10558091379).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10140252045 is a wasteful number, since it uses less digits than its factorization.
10140252045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204242.
The product of its (nonzero) digits is 1600, while the sum is 24.
Adding to 10140252045 its reverse (54025204101), we get a palindrome (64165456146).
The spelling of 10140252045 in words is "ten billion, one hundred forty million, two hundred fifty-two thousand, forty-five".
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