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150015128450 = 25211224795889
BaseRepresentation
bin1000101110110110011…
…0010011001110000010
3112100012210221010012112
42023231212103032002
54424212333102300
6152525504455322
713560341360345
oct2135546231602
9470183833175
10150015128450
11586916a1400
12250a791a542
13111b97483c5
1473917ac45c
153d800bbe35
hex22ed993382

150015128450 has 36 divisors (see below), whose sum is σ = 306700363410. Its totient is φ = 54550953600.

The previous prime is 150015128323. The next prime is 150015128509. The reversal of 150015128450 is 54821510051.

It can be written as a sum of positive squares in 3 ways, for example, as 83141685649 + 66873442801 = 288343^2 + 258599^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12391895 + ... + 12403994.

Almost surely, 2150015128450 is an apocalyptic number.

150015128450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150015128450 is an abundant number, since it is smaller than the sum of its proper divisors (156685234960).

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

150015128450 is a wasteful number, since it uses less digits than its factorization.

150015128450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24795923 (or 24795907 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 150015128450 in words is "one hundred fifty billion, fifteen million, one hundred twenty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3025 6050 24795889 49591778 123979445 247958890 272754779 545509558 619897225 1239794450 1363773895 2727547790 3000302569 6000605138 6818869475 13637738950 15001512845 30003025690 75007564225 150015128450