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30100902379 = 291037962151
BaseRepresentation
bin11100000010001001…
…110101000111101011
32212200210011021102021
4130002021311013223
5443121312334004
621454514445311
72113633306612
oct340211650753
985623137367
1030100902379
11118471a1529
125a00893837
132ab9263552
1416579d2879
15bb290ad54
hex7022751eb

30100902379 has 4 divisors (see below), whose sum is σ = 31138864560. Its totient is φ = 29062940200.

The previous prime is 30100902373. The next prime is 30100902397. The reversal of 30100902379 is 97320900103.

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 30100902379 - 217 = 30100771307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30100902373) by changing a digit.

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, 518981047 + ... + 518981104.

It is an arithmetic number, because the mean of its divisors is an integer number (7784716140).

Almost surely, 230100902379 is an apocalyptic number.

30100902379 is a deficient number, since it is larger than the sum of its proper divisors (1037962181).

30100902379 is a wasteful number, since it uses less digits than its factorization.

30100902379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037962180.

The product of its (nonzero) digits is 10206, while the sum is 34.

The spelling of 30100902379 in words is "thirty billion, one hundred million, nine hundred two thousand, three hundred seventy-nine".

Divisors: 1 29 1037962151 30100902379