Search a number
-
+
30760560080 = 2453671047703
BaseRepresentation
bin11100101001011110…
…001110010111010000
32221101202102100122222
4130221132032113100
51000444200410310
622044201320212
72136163306115
oct345136162720
987352370588
1030760560080
1112055597088
125b65796068
132b92b19353
1416bb46890c
15c007b0055
hex72978e5d0

30760560080 has 40 divisors (see below), whose sum is σ = 71713243392. Its totient is φ = 12270685824.

The previous prime is 30760560073. The next prime is 30760560137. The reversal of 30760560080 is 8006506703.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 30760560080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494492 + ... + 553211.

Almost surely, 230760560080 is an apocalyptic number.

It is an amenable number.

30760560080 is an abundant number, since it is smaller than the sum of its proper divisors (40952683312).

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

30760560080 is a wasteful number, since it uses less digits than its factorization.

30760560080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048083 (or 1048077 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30760560080 in words is "thirty billion, seven hundred sixty million, five hundred sixty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 367 734 1468 1835 2936 3670 5872 7340 14680 29360 1047703 2095406 4190812 5238515 8381624 10477030 16763248 20954060 41908120 83816240 384507001 769014002 1538028004 1922535005 3076056008 3845070010 6152112016 7690140020 15380280040 30760560080