Search a number
-
+
30446655813 = 337161093417
BaseRepresentation
bin11100010110110000…
…110001100101000101
32220120212202100222000
4130112300301211011
5444323320441223
621553105255513
72125332206250
oct342660614505
986525670860
1030446655813
1111a04386172
125a98634599
132b42a90892
14168b8b6097
15bd2e56543
hex716c31945

30446655813 has 16 divisors (see below), whose sum is σ = 51549893760. Its totient is φ = 17398088928.

The previous prime is 30446655781. The next prime is 30446655823. The reversal of 30446655813 is 31855664403.

30446655813 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 6 + 65 + 581 + 3 = 666.

It is not a de Polignac number, because 30446655813 - 25 = 30446655781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30446655823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80546520 + ... + 80546897.

It is an arithmetic number, because the mean of its divisors is an integer number (3221868360).

Almost surely, 230446655813 is an apocalyptic number.

It is an amenable number.

30446655813 is a deficient number, since it is larger than the sum of its proper divisors (21103237947).

30446655813 is a wasteful number, since it uses less digits than its factorization.

30446655813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161093433 (or 161093427 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 30446655813 in words is "thirty billion, four hundred forty-six million, six hundred fifty-five thousand, eight hundred thirteen".

Divisors: 1 3 7 9 21 27 63 189 161093417 483280251 1127653919 1449840753 3382961757 4349522259 10148885271 30446655813