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15052020140 = 2254353330233
BaseRepresentation
bin11100000010010101…
…11001100110101100
31102212000000211220102
432001022321212230
5221311304121030
610525333010232
71042001026433
oct160112714654
942760024812
1015052020140
116424522573
122b00a83978
13155b560ac1
14a2b0c611a
155d168cc45
hex3812b99ac

15052020140 has 48 divisors (see below), whose sum is σ = 32954711328. Its totient is φ = 5769813504.

The previous prime is 15052020101. The next prime is 15052020187. The reversal of 15052020140 is 4102025051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119537 + ... + 210696.

It is an arithmetic number, because the mean of its divisors is an integer number (686556486).

Almost surely, 215052020140 is an apocalyptic number.

15052020140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15052020140 is an abundant number, since it is smaller than the sum of its proper divisors (17902691188).

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

15052020140 is a wasteful number, since it uses less digits than its factorization.

15052020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330338 (or 330336 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 15052020140 its reverse (4102025051), we get a palindrome (19154045191).

The spelling of 15052020140 in words is "fifteen billion, fifty-two million, twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 53 86 106 172 212 215 265 430 530 860 1060 2279 4558 9116 11395 22790 45580 330233 660466 1320932 1651165 3302330 6604660 14200019 17502349 28400038 35004698 56800076 70009396 71000095 87511745 142000190 175023490 284000380 350046980 752601007 1505202014 3010404028 3763005035 7526010070 15052020140