Search a number
-
+
18630040767674 = 272391921485053
BaseRepresentation
bin1000011110001101001001…
…11101100100110010111010
32102222000101120110211021212
410033012210331210302322
54420213310414031144
6103342304513203122
73631655530463600
oct417064475446272
972860346424255
1018630040767674
115a32a57369176
12210a762b604a2
13a51a6134704b
144859ad66d870
1522492420449e
hex10f1a4f64cba

18630040767674 has 24 divisors (see below), whose sum is σ = 32507670077748. Its totient is φ = 7984266353280.

The previous prime is 18630040767631. The next prime is 18630040767719. The reversal of 18630040767674 is 47676704003681.

It can be written as a sum of positive squares in 2 ways, for example, as 17967908666449 + 662132101225 = 4238857^2 + 813715^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38165732 + ... + 38650784.

Almost surely, 218630040767674 is an apocalyptic number.

18630040767674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18630040767674 is a deficient number, since it is larger than the sum of its proper divisors (13877629310074).

18630040767674 is a wasteful number, since it uses less digits than its factorization.

18630040767674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876990 (or 876983 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 18630040767674 in words is "eighteen trillion, six hundred thirty billion, forty million, seven hundred sixty-seven thousand, six hundred seventy-four".

Divisors: 1 2 7 14 49 98 391921 485053 783842 970106 2743447 3395371 5486894 6790742 19204129 23767597 38408258 47535194 190102456813 380204913626 1330717197691 2661434395382 9315020383837 18630040767674