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30660600636 = 22322573313943
BaseRepresentation
bin11100100011100000…
…111010001100111100
32221010210022220002100
4130203200322030330
51000243103210021
622030231025100
72133540543141
oct344340721474
987123286070
1030660600636
1112004123076
125b3820b190
132b781bb153
1416ac0883c8
15be6b17626
hex72383a33c

30660600636 has 36 divisors (see below), whose sum is σ = 77804777232. Its totient is φ = 10180429824.

The previous prime is 30660600601. The next prime is 30660600643. The reversal of 30660600636 is 63600606603.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30660600636.

It is a congruent number.

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, 1647720 + ... + 1666223.

It is an arithmetic number, because the mean of its divisors is an integer number (2161243812).

Almost surely, 230660600636 is an apocalyptic number.

30660600636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30660600636 is an abundant number, since it is smaller than the sum of its proper divisors (47144176596).

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

30660600636 is a wasteful number, since it uses less digits than its factorization.

30660600636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314210 (or 3314205 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 30660600636 in words is "thirty billion, six hundred sixty million, six hundred thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 257 514 771 1028 1542 2313 3084 4626 9252 3313943 6627886 9941829 13255772 19883658 29825487 39767316 59650974 119301948 851683351 1703366702 2555050053 3406733404 5110100106 7665150159 10220200212 15330300318 30660600636