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15101172140 = 2255839129313
BaseRepresentation
bin11100001000001100…
…11001100110101100
31102222102112000202212
432010012121212230
5221411400002030
610534250305552
71043135562635
oct160406314654
942872460685
1015101172140
11644a24415a
122b154282b8
1315687b0222
14a3383c88c
155d5b4b595
hex3841999ac

15101172140 has 24 divisors (see below), whose sum is σ = 31718137920. Its totient is φ = 6039387648.

The previous prime is 15101172091. The next prime is 15101172157. The reversal of 15101172140 is 4127110151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52124 + ... + 181436.

It is an arithmetic number, because the mean of its divisors is an integer number (1321589080).

Almost surely, 215101172140 is an apocalyptic number.

15101172140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15101172140 is an abundant number, since it is smaller than the sum of its proper divisors (16616965780).

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

15101172140 is a wasteful number, since it uses less digits than its factorization.

15101172140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135161 (or 135159 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 15101172140 its reverse (4127110151), we get a palindrome (19228282291).

The spelling of 15101172140 in words is "fifteen billion, one hundred one million, one hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5839 11678 23356 29195 58390 116780 129313 258626 517252 646565 1293130 2586260 755058607 1510117214 3020234428 3775293035 7550586070 15101172140