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30669376320 = 263251121731167
BaseRepresentation
bin11100100100000010…
…011000101101000000
32221011101211202001200
4130210002120231000
51000302330020240
622031143101200
72134005253212
oct344402305500
987141752050
1030669376320
1112009077400
125b3b141800
132b79c7166b
1416ad2d05b2
15be779c930
hex724098b40

30669376320 has 1008 divisors, whose sum is σ = 127491646464. Its totient is φ = 6731366400.

The previous prime is 30669376307. The next prime is 30669376453. The reversal of 30669376320 is 2367396603.

30669376320 is a `hidden beast` number, since 3 + 0 + 6 + 6 + 9 + 3 + 7 + 632 + 0 = 666.

It is a super-2 number, since 2×306693763202 (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 143 ways as a sum of consecutive naturals, for example, 183648877 + ... + 183649043.

It is an arithmetic number, because the mean of its divisors is an integer number (126479808).

Almost surely, 230669376320 is an apocalyptic number.

30669376320 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 30669376320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63745823232).

30669376320 is an abundant number, since it is smaller than the sum of its proper divisors (96822270144).

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

30669376320 is a wasteful number, since it uses less digits than its factorization.

30669376320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 45.

The spelling of 30669376320 in words is "thirty billion, six hundred sixty-nine million, three hundred seventy-six thousand, three hundred twenty".