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15150405040 = 245296530347
BaseRepresentation
bin11100001110000100…
…01101010110110000
31110002212011022121121
432013002031112300
5222012000430130
610543205432024
71044304214041
oct160702152660
943085138547
1015150405040
116475010601
122b29a0b614
131575a5a414
14a3a1b68c8
155da123d7a
hex38708d5b0

15150405040 has 40 divisors (see below), whose sum is σ = 36439341840. Its totient is φ = 5851190016.

The previous prime is 15150405037. The next prime is 15150405073. The reversal of 15150405040 is 4050405151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 15150404996 and 15150405014.

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, 3262854 + ... + 3267493.

It is an arithmetic number, because the mean of its divisors is an integer number (910983546).

Almost surely, 215150405040 is an apocalyptic number.

15150405040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15150405040 is an abundant number, since it is smaller than the sum of its proper divisors (21288936800).

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

15150405040 is a wasteful number, since it uses less digits than its factorization.

15150405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530389 (or 6530383 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 15150405040 in words is "fifteen billion, one hundred fifty million, four hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 6530347 13060694 26121388 32651735 52242776 65303470 104485552 130606940 189380063 261213880 378760126 522427760 757520252 946900315 1515040504 1893800630 3030081008 3787601260 7575202520 15150405040