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30683727360 = 29325111367139
BaseRepresentation
bin11100100100111001…
…001000011000000000
32221012101211211222200
4130210321020120000
51000320013233420
622032414433200
72134241244036
oct344471103000
987171754880
1030683727360
1112016189570
125b43b02800
132b7cc277c0
1416b1188556
15be8b84b90
hex724e48600

30683727360 has 960 divisors, whose sum is σ = 127619331840. Its totient is φ = 6715146240.

The previous prime is 30683727359. The next prime is 30683727377. The reversal of 30683727360 is 6372738603.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×306837273602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 220746171 + ... + 220746309.

It is an arithmetic number, because the mean of its divisors is an integer number (132936804).

Almost surely, 230683727360 is an apocalyptic number.

30683727360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30683727360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63809665920).

30683727360 is an abundant number, since it is smaller than the sum of its proper divisors (96935604480).

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

30683727360 is a wasteful number, since it uses less digits than its factorization.

30683727360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 30683727360 in words is "thirty billion, six hundred eighty-three million, seven hundred twenty-seven thousand, three hundred sixty".