Search a number
-
+
15040342452 = 22319721133011
BaseRepresentation
bin11100000000111100…
…10110100110110100
31102211012001120010110
432000132112212310
5221300311424302
610524234423020
71041466541622
oct160036264664
942735046113
1015040342452
116418976993
122ab8b91a70
131559002725
14a29726512
155d0632b6c
hex3807969b4

15040342452 has 48 divisors (see below), whose sum is σ = 35300688192. Its totient is φ = 4983982080.

The previous prime is 15040342423. The next prime is 15040342453. The reversal of 15040342452 is 25424304051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040342453) 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, 4993627 + ... + 4996637.

It is an arithmetic number, because the mean of its divisors is an integer number (735431004).

Almost surely, 215040342452 is an apocalyptic number.

15040342452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15040342452 is an abundant number, since it is smaller than the sum of its proper divisors (20260345740).

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

15040342452 is a wasteful number, since it uses less digits than its factorization.

15040342452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328 (or 5326 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 15040342452 in words is "fifteen billion, forty million, three hundred forty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2113 2364 3011 4226 6022 6339 8452 9033 12044 12678 18066 25356 36132 416261 593167 832522 1186334 1248783 1665044 1779501 2372668 2497566 3559002 4995132 6362243 7118004 12724486 19086729 25448972 38173458 76346916 1253361871 2506723742 3760085613 5013447484 7520171226 15040342452