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19696374011 = 1091791009501
BaseRepresentation
bin10010010101111111…
…101101000011111011
31212211200012110200202
4102111333231003323
5310314232432021
613014241352415
71265044262636
oct222577550373
955750173622
1019696374011
1183980a9356
12399833870b
131b1b80a5a2
14d4bc4ac1d
157a4292a0b
hex495fed0fb

19696374011 has 8 divisors (see below), whose sum is σ = 19988139600. Its totient is φ = 19406628000.

The previous prime is 19696373933. The next prime is 19696374023. The reversal of 19696374011 is 11047369691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19696374011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19696374031) 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, 485240 + ... + 524261.

It is an arithmetic number, because the mean of its divisors is an integer number (2498517450).

Almost surely, 219696374011 is an apocalyptic number.

19696374011 is a deficient number, since it is larger than the sum of its proper divisors (291765589).

19696374011 is a wasteful number, since it uses less digits than its factorization.

19696374011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009789.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 19696374011 in words is "nineteen billion, six hundred ninety-six million, three hundred seventy-four thousand, eleven".

Divisors: 1 109 179 19511 1009501 110035609 180700679 19696374011