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30423251252 = 2237223204331
BaseRepresentation
bin11100010101010111…
…011111100100110100
32220112020201021221102
4130111113133210310
5444301323020002
621550511505232
72124626240342
oct342527374464
986466637842
1030423251252
11119a214aa59
125a90828218
132b3ac87924
141688742992
15bd0d81a02
hex7155df934

30423251252 has 12 divisors (see below), whose sum is σ = 53242380576. Its totient is φ = 15211142520.

The previous prime is 30423251251. The next prime is 30423251267. The reversal of 30423251252 is 25215232403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423251251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46727 + ... + 251057.

It is an arithmetic number, because the mean of its divisors is an integer number (4436865048).

Almost surely, 230423251252 is an apocalyptic number.

It is an amenable number.

30423251252 is a deficient number, since it is larger than the sum of its proper divisors (22819129324).

30423251252 is a wasteful number, since it uses less digits than its factorization.

30423251252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241558 (or 241556 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30423251252 its reverse (25215232403), we get a palindrome (55638483655).

The spelling of 30423251252 in words is "thirty billion, four hundred twenty-three million, two hundred fifty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 37223 74446 148892 204331 408662 817324 7605812813 15211625626 30423251252