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10140252045 = 3571143204173
BaseRepresentation
bin10010111000110011…
…11111011110001101
3222011200200011202120
421130121333132031
5131231401031140
64354112443153
7506166502020
oct113431773615
928150604676
1010140252045
1143339a94a0
121b6bb494b9
13c57a85451
146c2a311b7
153e53641d0
hex25c67f78d

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".

Divisors: 1 3 5 7 11 15 21 33 35 43 55 77 105 129 165 215 231 301 385 473 645 903 1155 1419 1505 2365 3311 4515 7095 9933 16555 49665 204173 612519 1020865 1429211 2245903 3062595 4287633 6737709 7146055 8779439 11229515 15721321 21438165 26338317 33688545 43897195 47163963 61456073 78606605 96573829 131691585 184368219 235819815 289721487 307280365 482869145 676016803 921841095 1448607435 2028050409 3380084015 10140252045