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19346969120 = 255398930313
BaseRepresentation
bin10010000001001010…
…110101001000100000
31211221022201212021212
4102001022311020200
5304110311002440
612515440405252
71253302344533
oct220112651040
954838655255
1019346969120
118228950286
1238bb316828
131a9430222b
14d17696a1a
15783775465
hex4812b5220

19346969120 has 48 divisors (see below), whose sum is σ = 45720181080. Its totient is φ = 7736592384.

The previous prime is 19346969099. The next prime is 19346969123. The reversal of 19346969120 is 2196964391.

It can be written as a sum of positive squares in 4 ways, for example, as 18245525776 + 1101443344 = 135076^2 + 33188^2 .

It is not an unprimeable number, because it can be changed into a prime (19346969123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623084 + ... + 653396.

Almost surely, 219346969120 is an apocalyptic number.

19346969120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19346969120 is an abundant number, since it is smaller than the sum of its proper divisors (26373211960).

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

19346969120 is a wasteful number, since it uses less digits than its factorization.

19346969120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34317 (or 34309 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 19346969120 in words is "nineteen billion, three hundred forty-six million, nine hundred sixty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3989 7978 15956 19945 30313 31912 39890 60626 63824 79780 121252 127648 151565 159560 242504 303130 319120 485008 606260 638240 970016 1212520 2425040 4850080 120918557 241837114 483674228 604592785 967348456 1209185570 1934696912 2418371140 3869393824 4836742280 9673484560 19346969120