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16157457443 = 193722983581
BaseRepresentation
bin11110000110000111…
…10011110000100011
31112201001002212210202
433003003303300203
5231042302114233
611231142215415
71111253056631
oct170303636043
945631085722
1016157457443
116941510a16
12316b12456b
1316a659660a
14ad3c3c351
15648749be8
hex3c30f3c23

16157457443 has 8 divisors (see below), whose sum is σ = 17467522320. Its totient is φ = 14893359840.

The previous prime is 16157457431. The next prime is 16157457487. The reversal of 16157457443 is 34475475161.

16157457443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16157457443 - 28 = 16157457187 is a prime.

It is a super-2 number, since 2×161574574432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157457403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11491088 + ... + 11492493.

It is an arithmetic number, because the mean of its divisors is an integer number (2183440290).

Almost surely, 216157457443 is an apocalyptic number.

16157457443 is a deficient number, since it is larger than the sum of its proper divisors (1310064877).

16157457443 is a wasteful number, since it uses less digits than its factorization.

16157457443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983637.

The product of its digits is 1411200, while the sum is 47.

The spelling of 16157457443 in words is "sixteen billion, one hundred fifty-seven million, four hundred fifty-seven thousand, four hundred forty-three".

Divisors: 1 19 37 703 22983581 436688039 850392497 16157457443