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30316666536 = 23321332389601
BaseRepresentation
bin11100001111000000…
…111001111010101000
32220020211011020012100
4130033000321322220
5444042031312121
621532143213400
72122163261622
oct341700717250
986224136170
1030316666536
1111947a71312
125a60ba7260
132b21b79c50
141678519c12
15bc682b026
hex70f039ea8

30316666536 has 48 divisors (see below), whose sum is σ = 88423613460. Its totient is φ = 9328204800.

The previous prime is 30316666529. The next prime is 30316666547. The reversal of 30316666536 is 63566661303.

It can be written as a sum of positive squares in 2 ways, for example, as 26859932100 + 3456734436 = 163890^2 + 58794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30316666491 and 30316666500.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16193865 + ... + 16195736.

Almost surely, 230316666536 is an apocalyptic number.

30316666536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30316666536 is an abundant number, since it is smaller than the sum of its proper divisors (58106946924).

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

30316666536 is a wasteful number, since it uses less digits than its factorization.

30316666536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32389626 (or 32389619 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 30316666536 in words is "thirty billion, three hundred sixteen million, six hundred sixty-six thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 32389601 64779202 97168803 129558404 194337606 259116808 291506409 388675212 421064813 583012818 777350424 842129626 1166025636 1263194439 1684259252 2332051272 2526388878 3368518504 3789583317 5052777756 7579166634 10105555512 15158333268 30316666536