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30557307246 = 2324121132301
BaseRepresentation
bin11100011101010110…
…111000000101101110
32220212120222001012020
4130131112320011232
51000040132312441
622012101051010
72131144553214
oct343526700556
986776861166
1030557307246
1111a60892234
125b096b6a66
132b5c9935bb
14169c47acb4
15bdca11e66
hex71d5b816e

30557307246 has 16 divisors (see below), whose sum is σ = 61368205008. Its totient is φ = 10143504000.

The previous prime is 30557307233. The next prime is 30557307293. The reversal of 30557307246 is 64270375503.

It is a super-2 number, since 2×305573072462 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30557307198 and 30557307207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10564705 + ... + 10567596.

It is an arithmetic number, because the mean of its divisors is an integer number (3835512813).

Almost surely, 230557307246 is an apocalyptic number.

30557307246 is an abundant number, since it is smaller than the sum of its proper divisors (30810897762).

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

30557307246 is a wasteful number, since it uses less digits than its factorization.

30557307246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132547.

The product of its (nonzero) digits is 529200, while the sum is 42.

The spelling of 30557307246 in words is "thirty billion, five hundred fifty-seven million, three hundred seven thousand, two hundred forty-six".

Divisors: 1 2 3 6 241 482 723 1446 21132301 42264602 63396903 126793806 5092884541 10185769082 15278653623 30557307246