Search a number
-
+
42987912274 = 2171264350361
BaseRepresentation
bin101000000010010001…
…110111110001010010
311002221220100012121001
4220002101313301102
51201014401143044
631425352052214
73051165140206
oct500221676122
9132856305531
1042987912274
111725a61282a
1283b869406a
1340910c3ba8
14211b348b06
1511b8e8e2d4
hexa02477c52

42987912274 has 8 divisors (see below), whose sum is σ = 68274919548. Its totient is φ = 20229605760.

The previous prime is 42987912269. The next prime is 42987912293. The reversal of 42987912274 is 47221978924.

It can be written as a sum of positive squares in 2 ways, for example, as 42611280625 + 376631649 = 206425^2 + 19407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632175147 + ... + 632175214.

Almost surely, 242987912274 is an apocalyptic number.

42987912274 is a deficient number, since it is larger than the sum of its proper divisors (25287007274).

42987912274 is a wasteful number, since it uses less digits than its factorization.

42987912274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264350380.

The product of its digits is 4064256, while the sum is 55.

The spelling of 42987912274 in words is "forty-two billion, nine hundred eighty-seven million, nine hundred twelve thousand, two hundred seventy-four".

Divisors: 1 2 17 34 1264350361 2528700722 21493956137 42987912274