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19192111001 = 710127145843
BaseRepresentation
bin10001110111111100…
…000101111110011001
31211112112100020212222
4101313330011332121
5303301140023001
612452225313425
71246412152250
oct216774057631
954475306788
1019192111001
1181594a0068
123877495875
131a6b1c1ccb
14d00ca5797
15774d8661b
hex477f05f99

19192111001 has 8 divisors (see below), whose sum is σ = 22151008704. Its totient is φ = 16287505200.

The previous prime is 19192110997. The next prime is 19192111097. The reversal of 19192111001 is 10011129191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19192111001 - 22 = 19192110997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19192114001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13572215 + ... + 13573628.

It is an arithmetic number, because the mean of its divisors is an integer number (2768876088).

Almost surely, 219192111001 is an apocalyptic number.

It is an amenable number.

19192111001 is a deficient number, since it is larger than the sum of its proper divisors (2958897703).

19192111001 is a wasteful number, since it uses less digits than its factorization.

19192111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145951.

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 19192111001 in words is "nineteen billion, one hundred ninety-two million, one hundred eleven thousand, one".

Divisors: 1 7 101 707 27145843 190020901 2741730143 19192111001