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15005253930 = 2351019490849
BaseRepresentation
bin11011111100110001…
…00000000100101010
31102201202000212201120
431332120200010222
5221212321111210
610520542400110
71040562361002
oct157630400452
942652025646
1015005253930
116400090407
122aa9290036
1315519685a4
14a24bd1002
155cc501270
hex37e62012a

15005253930 has 32 divisors (see below), whose sum is σ = 36048024000. Its totient is φ = 3997466112.

The previous prime is 15005253929. The next prime is 15005253973. The reversal of 15005253930 is 3935250051.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15005253891 and 15005253900.

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, 214855 + ... + 275994.

It is an arithmetic number, because the mean of its divisors is an integer number (1126500750).

Almost surely, 215005253930 is an apocalyptic number.

15005253930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15005253930 is an abundant number, since it is smaller than the sum of its proper divisors (21042770070).

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

15005253930 is a wasteful number, since it uses less digits than its factorization.

15005253930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491878.

The product of its (nonzero) digits is 20250, while the sum is 33.

The spelling of 15005253930 in words is "fifteen billion, five million, two hundred fifty-three thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1019 2038 3057 5095 6114 10190 15285 30570 490849 981698 1472547 2454245 2945094 4908490 7362735 14725470 500175131 1000350262 1500525393 2500875655 3001050786 5001751310 7502626965 15005253930