Search a number
-
+
15140145354 = 238291304349
BaseRepresentation
bin11100001100110110…
…00100100011001010
31110002010212001222020
432012123010203022
5222001334122404
610542201505310
71044121053315
oct160633044312
943063761866
1015140145354
11646a243324
122b264a2236
1315738a75b9
14a38aa597c
155d9298ed9
hex3866c48ca

15140145354 has 16 divisors (see below), whose sum is σ = 30284042400. Its totient is φ = 5046089840.

The previous prime is 15140145353. The next prime is 15140145359. The reversal of 15140145354 is 45354104151.

It is not an unprimeable number, because it can be changed into a prime (15140145353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102429 + ... + 201920.

It is an arithmetic number, because the mean of its divisors is an integer number (1892752650).

Almost surely, 215140145354 is an apocalyptic number.

15140145354 is an abundant number, since it is smaller than the sum of its proper divisors (15143897046).

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

15140145354 is a wasteful number, since it uses less digits than its factorization.

15140145354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312645.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 15140145354 in words is "fifteen billion, one hundred forty million, one hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 8291 16582 24873 49746 304349 608698 913047 1826094 2523357559 5046715118 7570072677 15140145354