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30502287330 = 2351016742911
BaseRepresentation
bin11100011010000100…
…111111011111100010
32220201202102202001120
4130122010333133202
5444432041143310
622002413513110
72126606110254
oct343204773742
986652382046
1030502287330
1111a32822a29
125ab31a2796
132b5146b338
141695037cd4
15bd7c94b70
hex71a13f7e2

30502287330 has 16 divisors (see below), whose sum is σ = 73205489664. Its totient is φ = 8133943280.

The previous prime is 30502287329. The next prime is 30502287331. The reversal of 30502287330 is 3378220503.

It is an interprime number because it is at equal distance from previous prime (30502287329) and next prime (30502287331).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30502287291 and 30502287300.

It is not an unprimeable number, because it can be changed into a prime (30502287331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508371426 + ... + 508371485.

It is an arithmetic number, because the mean of its divisors is an integer number (4575343104).

Almost surely, 230502287330 is an apocalyptic number.

30502287330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30502287330 is an abundant number, since it is smaller than the sum of its proper divisors (42703202334).

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

30502287330 is a wasteful number, since it uses less digits than its factorization.

30502287330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016742921.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 30502287330 in words is "thirty billion, five hundred two million, two hundred eighty-seven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1016742911 2033485822 3050228733 5083714555 6100457466 10167429110 15251143665 30502287330