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30212400399 = 310070800133
BaseRepresentation
bin11100001000110011…
…001010010100001111
32212222112221221221120
4130020303022110033
5443333333303044
621513540332023
72116456110666
oct341063122417
985875857846
1030212400399
11118a4126655
125a320a4013
132b063a16cc
141668737ddd
15bbc5d2519
hex708cca50f

30212400399 has 4 divisors (see below), whose sum is σ = 40283200536. Its totient is φ = 20141600264.

The previous prime is 30212400373. The next prime is 30212400473. The reversal of 30212400399 is 99300421203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30212400399 - 25 = 30212400367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212400319) 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, 5035400064 + ... + 5035400069.

It is an arithmetic number, because the mean of its divisors is an integer number (10070800134).

Almost surely, 230212400399 is an apocalyptic number.

30212400399 is a deficient number, since it is larger than the sum of its proper divisors (10070800137).

30212400399 is a wasteful number, since it uses less digits than its factorization.

30212400399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070800136.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 30212400399 in words is "thirty billion, two hundred twelve million, four hundred thousand, three hundred ninety-nine".

Divisors: 1 3 10070800133 30212400399