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19422331511 = 1122323773331
BaseRepresentation
bin10010000101101010…
…010100001001110111
31212010120112200001112
4102011222110021313
5304234104102021
612531131545235
71255206044132
oct220552241167
955116480045
1019422331511
118267444150
1239205bb21b
131aa6aca76b
14d236b3219
1578a1aed5b
hex485a94277

19422331511 has 16 divisors (see below), whose sum is σ = 21298357248. Its totient is φ = 17564817600.

The previous prime is 19422331499. The next prime is 19422331517. The reversal of 19422331511 is 11513322491.

It is not a de Polignac number, because 19422331511 - 214 = 19422315127 is a prime.

It is a super-2 number, since 2×194223315112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19422331517) 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, 5829116 + ... + 5832446.

It is an arithmetic number, because the mean of its divisors is an integer number (1331147328).

Almost surely, 219422331511 is an apocalyptic number.

19422331511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19422331511 is a deficient number, since it is larger than the sum of its proper divisors (1876025737).

19422331511 is a wasteful number, since it uses less digits than its factorization.

19422331511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its digits is 6480, while the sum is 32.

The spelling of 19422331511 in words is "nineteen billion, four hundred twenty-two million, three hundred thirty-one thousand, five hundred eleven".

Divisors: 1 11 223 2377 2453 3331 26147 36641 530071 742813 5830781 7917787 8170943 87095657 1765666501 19422331511