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7142864153 = 23493162981
BaseRepresentation
bin1101010011011111…
…10111010100011001
3200102210120002120012
412221233313110121
5104112033123103
63140440211305
7342002225555
oct65157672431
920383502505
107142864153
113035a62617
121474169b35
1389aaa6b49
144ba908865
152bc1392d8
hex1a9bf7519

7142864153 has 8 divisors (see below), whose sum is σ = 7455053376. Its totient is φ = 6830810800.

The previous prime is 7142864149. The next prime is 7142864213. The reversal of 7142864153 is 3514682417.

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 7142864153 - 22 = 7142864149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7142864153.

It is not an unprimeable number, because it can be changed into a prime (7142864353) 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, 81923 + ... + 144903.

It is an arithmetic number, because the mean of its divisors is an integer number (931881672).

Almost surely, 27142864153 is an apocalyptic number.

It is an amenable number.

7142864153 is a deficient number, since it is larger than the sum of its proper divisors (312189223).

7142864153 is a wasteful number, since it uses less digits than its factorization.

7142864153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67935.

The product of its digits is 161280, while the sum is 41.

The square root of 7142864153 is about 84515.4669454059. The cubic root of 7142864153 is about 1925.8574155788.

The spelling of 7142864153 in words is "seven billion, one hundred forty-two million, eight hundred sixty-four thousand, one hundred fifty-three".

Divisors: 1 23 4931 62981 113413 1448563 310559311 7142864153