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83910540923 = 11102111096737
BaseRepresentation
bin100111000100101110…
…1010011111001111011
322000120212111010122222
41032021131103321323
52333322044302143
6102314210034255
76030244554356
oct1161135237173
9260525433588
1083910540923
113264a349390
121431957898b
137bb3363861
1440c028329d
1522b1972768
hex1389753e7b

83910540923 has 16 divisors (see below), whose sum is σ = 91724663520. Its totient is φ = 76127577600.

The previous prime is 83910540881. The next prime is 83910540953. The reversal of 83910540923 is 32904501938.

It is a cyclic number.

It is not a de Polignac number, because 83910540923 - 28 = 83910540667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83910540953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12451811 + ... + 12458547.

It is an arithmetic number, because the mean of its divisors is an integer number (5732791470).

Almost surely, 283910540923 is an apocalyptic number.

83910540923 is a deficient number, since it is larger than the sum of its proper divisors (7814122597).

83910540923 is a wasteful number, since it uses less digits than its factorization.

83910540923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 83910540923 in words is "eighty-three billion, nine hundred ten million, five hundred forty thousand, nine hundred twenty-three".

Divisors: 1 11 1021 1109 6737 11231 12199 74107 1132289 6878477 7471333 12455179 75663247 82184663 7628230993 83910540923