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16000157143 = 11321253047
BaseRepresentation
bin11101110011010111…
…10000010111010111
31112022002010012100201
432321223300113113
5230232020012033
611203402521331
71104333043315
oct167153602727
945262105321
1016000157143
116870742973
123126506247
13167cb0c909
14abadb30b5
15639a2747d
hex3b9af05d7

16000157143 has 6 divisors (see below), whose sum is σ = 16143017384. Its totient is φ = 15858550176.

The previous prime is 16000157119. The next prime is 16000157149. The reversal of 16000157143 is 34175100061.

It is not a de Polignac number, because 16000157143 - 217 = 16000026071 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 (16000157149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613755 + ... + 639292.

Almost surely, 216000157143 is an apocalyptic number.

16000157143 is a deficient number, since it is larger than the sum of its proper divisors (142860241).

16000157143 is an equidigital number, since it uses as much as digits as its factorization.

16000157143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253273 (or 1253160 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 16000157143 in words is "sixteen billion, one hundred fifty-seven thousand, one hundred forty-three".

Divisors: 1 113 12769 1253047 141594311 16000157143