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9679693980 = 223511236011061
BaseRepresentation
bin10010000001111010…
…00110100010011100
3220222121001101212110
421000331012202130
5124311000201410
64240301234020
7461605020105
oct110075064234
926877041773
109679693980
114117a313a0
121a61862910
13bb352cb98
1467b7c53ac
153b9bdc720
hex240f4689c

9679693980 has 192 divisors, whose sum is σ = 30933052416. Its totient is φ = 2238720000.

The previous prime is 9679693973. The next prime is 9679693993. The reversal of 9679693980 is 893969769.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9122650 + ... + 9123710.

It is an arithmetic number, because the mean of its divisors is an integer number (161109648).

Almost surely, 29679693980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9679693980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15466526208).

9679693980 is an abundant number, since it is smaller than the sum of its proper divisors (21253358436).

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

9679693980 is a wasteful number, since it uses less digits than its factorization.

9679693980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 66.

The square root of 9679693980 is about 98385.4358124209. The cubic root of 9679693980 is about 2131.1820149221.

The spelling of 9679693980 in words is "nine billion, six hundred seventy-nine million, six hundred ninety-three thousand, nine hundred eighty".