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19489986130 = 253183757481
BaseRepresentation
bin10010001001101100…
…011001011001010010
31212022021211212202011
4102021230121121102
5304403414024010
612541550013134
71256660101666
oct221154313122
955267755664
1019489986130
1182a165305a
12393b1a71aa
131ab7b27894
14d2c6848a6
157910c5a8a
hex489b19652

19489986130 has 32 divisors (see below), whose sum is σ = 36650009088. Its totient is φ = 7453603200.

The previous prime is 19489986127. The next prime is 19489986149. The reversal of 19489986130 is 3168998491.

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, 353011 + ... + 404470.

It is an arithmetic number, because the mean of its divisors is an integer number (1145312784).

Almost surely, 219489986130 is an apocalyptic number.

19489986130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19489986130 is a deficient number, since it is larger than the sum of its proper divisors (17160022958).

19489986130 is a wasteful number, since it uses less digits than its factorization.

19489986130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757602.

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 19489986130 in words is "nineteen billion, four hundred eighty-nine million, nine hundred eighty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 83 155 166 310 415 830 2573 5146 12865 25730 757481 1514962 3787405 7574810 23481911 46963822 62870923 117409555 125741846 234819110 314354615 628709230 1948998613 3897997226 9744993065 19489986130