Search a number
-
+
2142647116031 = 2347912930173
BaseRepresentation
bin11111001011011111101…
…110000110000011111111
321120211112202120011020202
4133023133232012003333
5240101120130203111
64320152443434115
7310541535661562
oct37133756060377
97524482504222
102142647116031
11756767490424
122a731422593b
13127087684ac6
14759c18a64d9
153ab062d9b3b
hex1f2dfb860ff

2142647116031 has 4 divisors (see below), whose sum is σ = 2143560048552. Its totient is φ = 2141734183512.

The previous prime is 2142647116013. The next prime is 2142647116087. The reversal of 2142647116031 is 1306117462412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142647116031 is a prime.

It is a super-2 number, since 2×21426471160312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142647116231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456462740 + ... + 456467433.

It is an arithmetic number, because the mean of its divisors is an integer number (535890012138).

Almost surely, 22142647116031 is an apocalyptic number.

2142647116031 is a deficient number, since it is larger than the sum of its proper divisors (912932521).

2142647116031 is an equidigital number, since it uses as much as digits as its factorization.

2142647116031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912932520.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 2142647116031 in words is "two trillion, one hundred forty-two billion, six hundred forty-seven million, one hundred sixteen thousand, thirty-one".

Divisors: 1 2347 912930173 2142647116031