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15301531040 = 25595634569
BaseRepresentation
bin11100100000000101…
…01101010110100000
31110111101112022111212
432100002231112200
5222314142443130
611010204525252
71051120603445
oct162002552640
943441468455
1015301531040
116542351824
122b70550828
13159b1619a3
14a522b59cc
155e8526e95
hex3900ad5a0

15301531040 has 24 divisors (see below), whose sum is σ = 36149867460. Its totient is φ = 6120612352.

The previous prime is 15301531039. The next prime is 15301531061. The reversal of 15301531040 is 4013510351.

It can be written as a sum of positive squares in 2 ways, for example, as 15175283344 + 126247696 = 123188^2 + 11236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15301530997 and 15301531015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47817125 + ... + 47817444.

Almost surely, 215301531040 is an apocalyptic number.

15301531040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15301531040 is an abundant number, since it is smaller than the sum of its proper divisors (20848336420).

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

15301531040 is an equidigital number, since it uses as much as digits as its factorization.

15301531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95634584 (or 95634576 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 15301531040 in words is "fifteen billion, three hundred one million, five hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 95634569 191269138 382538276 478172845 765076552 956345690 1530153104 1912691380 3060306208 3825382760 7650765520 15301531040