Search a number
-
+
10042513452 = 2232278958707
BaseRepresentation
bin10010101101001010…
…01001100000101100
3221220212202112121200
421112211021200230
5131031340412302
64340301525500
7503601645606
oct112645114054
927825675550
1010042513452
114293811aa4
121b43273890
13c4075406a
146b3a6c176
153db9a981c
hex25694982c

10042513452 has 18 divisors (see below), whose sum is σ = 25385242428. Its totient is φ = 3347504472.

The previous prime is 10042513451. The next prime is 10042513469. The reversal of 10042513452 is 25431524001.

10042513452 is a `hidden beast` number, since 100 + 4 + 2 + 513 + 45 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (10042513451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139479318 + ... + 139479389.

It is an arithmetic number, because the mean of its divisors is an integer number (1410291246).

Almost surely, 210042513452 is an apocalyptic number.

10042513452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10042513452 is an abundant number, since it is smaller than the sum of its proper divisors (15342728976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10042513452 is a wasteful number, since it uses less digits than its factorization.

10042513452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278958717 (or 278958712 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 10042513452 in words is "ten billion, forty-two million, five hundred thirteen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 278958707 557917414 836876121 1115834828 1673752242 2510628363 3347504484 5021256726 10042513452