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19223480847 = 317627160107
BaseRepresentation
bin10001111001110011…
…110000101000001111
31211121201101000020010
4101321303300220033
5303332202341342
612455305524303
71250242614444
oct217163605017
954551330203
1019223480847
11817517675a
123885aa3693
131a7485664c
14d0510d9cb
157779d129c
hex479cf0a0f

19223480847 has 16 divisors (see below), whose sum is σ = 27143811072. Its totient is φ = 12059667840.

The previous prime is 19223480827. The next prime is 19223480851. The reversal of 19223480847 is 74808432291.

It is not a de Polignac number, because 19223480847 - 27 = 19223480719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19223480796 and 19223480805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19223480827) 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, 289768 + ... + 349874.

It is an arithmetic number, because the mean of its divisors is an integer number (1696488192).

Almost surely, 219223480847 is an apocalyptic number.

19223480847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

19223480847 is a deficient number, since it is larger than the sum of its proper divisors (7920330225).

19223480847 is a wasteful number, since it uses less digits than its factorization.

19223480847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66398.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 19223480847 in words is "nineteen billion, two hundred twenty-three million, four hundred eighty thousand, eight hundred forty-seven".

Divisors: 1 3 17 51 6271 18813 60107 106607 180321 319821 1021819 3065457 376930997 1130792991 6407826949 19223480847