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30420520030 = 253042052003
BaseRepresentation
bin11100010101001101…
…000100110001011110
32220112001120112102001
4130111031010301132
5444300123120110
621550333152514
72124564103525
oct342515046136
986461515361
1030420520030
11119a0654a4a
125a8b92b73a
132b3a53c714
1416882314bc
15bd09e263a
hex715344c5e

30420520030 has 8 divisors (see below), whose sum is σ = 54756936072. Its totient is φ = 12168208008.

The previous prime is 30420520003. The next prime is 30420520063. The reversal of 30420520030 is 3002502403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521025992 + ... + 1521026011.

It is an arithmetic number, because the mean of its divisors is an integer number (6844617009).

Almost surely, 230420520030 is an apocalyptic number.

30420520030 is a deficient number, since it is larger than the sum of its proper divisors (24336416042).

30420520030 is a wasteful number, since it uses less digits than its factorization.

30420520030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042052010.

The product of its (nonzero) digits is 720, while the sum is 19.

The spelling of 30420520030 in words is "thirty billion, four hundred twenty million, five hundred twenty thousand, thirty".

Divisors: 1 2 5 10 3042052003 6084104006 15210260015 30420520030