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30423201522 = 237724361941
BaseRepresentation
bin11100010101010111…
…010011011011110010
32220112020121202201120
4130111113103123302
5444301314422042
621550510443110
72124625642350
oct342527233362
986466552646
1030423201522
11119a211665a
125a90803496
132b3ac6b0bc
14168872c7d0
15bd0d71dec
hex7155d36f2

30423201522 has 16 divisors (see below), whose sum is σ = 69538746432. Its totient is φ = 8692343280.

The previous prime is 30423201511. The next prime is 30423201553. The reversal of 30423201522 is 22510232403.

It is a junction number, because it is equal to n+sod(n) for n = 30423201492 and 30423201501.

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, 362180929 + ... + 362181012.

It is an arithmetic number, because the mean of its divisors is an integer number (4346171652).

Almost surely, 230423201522 is an apocalyptic number.

30423201522 is an abundant number, since it is smaller than the sum of its proper divisors (39115544910).

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

30423201522 is a wasteful number, since it uses less digits than its factorization.

30423201522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724361953.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 30423201522 its reverse (22510232403), we get a palindrome (52933433925).

The spelling of 30423201522 in words is "thirty billion, four hundred twenty-three million, two hundred one thousand, five hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 724361941 1448723882 2173085823 4346171646 5070533587 10141067174 15211600761 30423201522