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30208688374 = 215104344187
BaseRepresentation
bin11100001000100101…
…000000000011110110
32212222021222101000011
4130020211000003312
5443331411011444
621513325010434
72116412420524
oct341045000366
985867871004
1030208688374
11118a2020767
125a309b3a1a
132b056a1c47
14166804d314
15bbc0ec734
hex7089400f6

30208688374 has 4 divisors (see below), whose sum is σ = 45313032564. Its totient is φ = 15104344186.

The previous prime is 30208688347. The next prime is 30208688387. The reversal of 30208688374 is 47388680203.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552172092 + ... + 7552172095.

It is an arithmetic number, because the mean of its divisors is an integer number (11328258141).

Almost surely, 230208688374 is an apocalyptic number.

30208688374 is a deficient number, since it is larger than the sum of its proper divisors (15104344190).

30208688374 is a wasteful number, since it uses less digits than its factorization.

30208688374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15104344189.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 30208688374 in words is "thirty billion, two hundred eight million, six hundred eighty-eight thousand, three hundred seventy-four".

Divisors: 1 2 15104344187 30208688374