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16072540057 = 76719341729
BaseRepresentation
bin11101111011111111…
…10111111110011001
31112111010022122001101
432331333313332121
5230404032240212
611214510151401
71106202223240
oct167577677631
945433278041
1016072540057
1168a8591262
1231467b2561
131691b03c42
14ac6855957
15641074157
hex3bdff7f99

16072540057 has 8 divisors (see below), whose sum is σ = 18371404800. Its totient is φ = 13774372224.

The previous prime is 16072540049. The next prime is 16072540087. The reversal of 16072540057 is 75004527061.

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 16072540057 - 23 = 16072540049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16072539998 and 16072540025.

It is not an unprimeable number, because it can be changed into a prime (16072540037) 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, 123832 + ... + 217897.

It is an arithmetic number, because the mean of its divisors is an integer number (2296425600).

Almost surely, 216072540057 is an apocalyptic number.

It is an amenable number.

16072540057 is a deficient number, since it is larger than the sum of its proper divisors (2298864743).

16072540057 is an equidigital number, since it uses as much as digits as its factorization.

16072540057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348455.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 16072540057 in words is "sixteen billion, seventy-two million, five hundred forty thousand, fifty-seven".

Divisors: 1 7 6719 47033 341729 2392103 2296077151 16072540057