Search a number
-
+
30307544064 = 2103371491051
BaseRepresentation
bin11100001110011110…
…000110110000000000
32220020011222202112000
4130032132012300000
5444032212402224
621531215504000
72122022605530
oct341636066000
986204882460
1030307544064
1111942900486
125a59b28000
132b20004935
1416772234c0
15bc5b280c9
hex70e786c00

30307544064 has 352 divisors, whose sum is σ = 103365312000. Its totient is φ = 8592998400.

The previous prime is 30307544021. The next prime is 30307544123. The reversal of 30307544064 is 46044570303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28836339 + ... + 28837389.

Almost surely, 230307544064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30307544064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51682656000).

30307544064 is an abundant number, since it is smaller than the sum of its proper divisors (73057767936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30307544064 is a wasteful number, since it uses less digits than its factorization.

30307544064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 30307544064 in words is "thirty billion, three hundred seven million, five hundred forty-four thousand, sixty-four".