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12300545990 = 257375722259
BaseRepresentation
bin10110111010010101…
…10110111111000110
31011202020122110221102
423131022312333012
5200142414432430
65352323220102
7613550626055
oct133512667706
934666573842
1012300545990
115242379297
122473517632
1312104c3ca5
148498d439c
154bed3b345
hex2dd2b6fc6

12300545990 has 32 divisors (see below), whose sum is σ = 22474942560. Its totient is φ = 4846189824.

The previous prime is 12300545963. The next prime is 12300546077. The reversal of 12300545990 is 9954500321.

It is a Curzon number.

It is a congruent number.

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, 541481 + ... + 563739.

It is an arithmetic number, because the mean of its divisors is an integer number (702341955).

Almost surely, 212300545990 is an apocalyptic number.

12300545990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300545990 is a deficient number, since it is larger than the sum of its proper divisors (10174396570).

12300545990 is a wasteful number, since it uses less digits than its factorization.

12300545990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23096.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 12300545990 in words is "twelve billion, three hundred million, five hundred forty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 73 146 365 730 757 1514 3785 7570 22259 44518 55261 110522 111295 222590 276305 552610 1624907 3249814 8124535 16249070 16850063 33700126 84250315 168500630 1230054599 2460109198 6150272995 12300545990