Search a number
-
+
242147683147 = 1913493632633
BaseRepresentation
bin1110000110000100100…
…0000110101101001011
3212011000200120211102011
43201201020012231023
512431404301330042
6303124025120351
723331434226466
oct3414110065513
9764020524364
10242147683147
1193770066397
123ab1a9290b7
1319ab0316266
14ba119cc2dd
156473791a17
hex3861206b4b

242147683147 has 8 divisors (see below), whose sum is σ = 244113004800. Its totient is φ = 240189627840.

The previous prime is 242147683139. The next prime is 242147683177. The reversal of 242147683147 is 741386741242.

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 242147683147 - 23 = 242147683139 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 242147683147.

It is not an unprimeable number, because it can be changed into a prime (242147683117) 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, 1749658 + ... + 1882975.

It is an arithmetic number, because the mean of its divisors is an integer number (30514125600).

Almost surely, 2242147683147 is an apocalyptic number.

242147683147 is a deficient number, since it is larger than the sum of its proper divisors (1965321653).

242147683147 is a wasteful number, since it uses less digits than its factorization.

242147683147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633173.

The product of its digits is 1806336, while the sum is 49.

The spelling of 242147683147 in words is "two hundred forty-two billion, one hundred forty-seven million, six hundred eighty-three thousand, one hundred forty-seven".

Divisors: 1 191 349 66659 3632633 693832903 1267788917 242147683147