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19461671053 = 1123711083431
BaseRepresentation
bin10010001000000000…
…011000100010001101
31212020022120022202121
4102020000120202031
5304324141433203
612535055052541
71256164321516
oct221000304215
955208508677
1019461671053
118287673570
123931811151
131ab1cc27b6
14d289d3a0d
1578d8810bd
hex48801888d

19461671053 has 16 divisors (see below), whose sum is σ = 22466045952. Its totient is φ = 16684822000.

The previous prime is 19461671017. The next prime is 19461671057. The reversal of 19461671053 is 35017616491.

It is a de Polignac number, because none of the positive numbers 2k-19461671053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19461671057) 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, 523753 + ... + 559678.

It is an arithmetic number, because the mean of its divisors is an integer number (1404127872).

Almost surely, 219461671053 is an apocalyptic number.

It is an amenable number.

19461671053 is a deficient number, since it is larger than the sum of its proper divisors (3004374899).

19461671053 is a wasteful number, since it uses less digits than its factorization.

19461671053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083536.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 19461671053 in words is "nineteen billion, four hundred sixty-one million, six hundred seventy-one thousand, fifty-three".

Divisors: 1 11 23 71 253 781 1633 17963 1083431 11917741 24918913 76923601 274108043 846159611 1769242823 19461671053