Search a number
-
+
18430564101 = 318158135839
BaseRepresentation
bin10001001010100011…
…000001011100000101
31202120110100122221020
4101022203001130011
5300221211022401
612244502541353
71221504132015
oct211243013405
952513318836
1018430564101
1178a8633664
1236a4437859
1319794b3841
14c6baa9c45
1572d0a7d36
hex44a8c1705

18430564101 has 16 divisors (see below), whose sum is σ = 24718337280. Its totient is φ = 12214964160.

The previous prime is 18430564069. The next prime is 18430564121. The reversal of 18430564101 is 10146503481.

It is not a de Polignac number, because 18430564101 - 25 = 18430564069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18430564121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153540 + ... + 3159378.

It is an arithmetic number, because the mean of its divisors is an integer number (1544896080).

Almost surely, 218430564101 is an apocalyptic number.

It is an amenable number.

18430564101 is a deficient number, since it is larger than the sum of its proper divisors (6287773179).

18430564101 is a wasteful number, since it uses less digits than its factorization.

18430564101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 18430564101 in words is "eighteen billion, four hundred thirty million, five hundred sixty-four thousand, one hundred one".

Divisors: 1 3 181 543 5813 5839 17439 17517 1052153 1056859 3156459 3170577 33942107 101826321 6143521367 18430564101