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3102807980160 = 27355721743557
BaseRepresentation
bin101101001001101101110…
…001000111100010000000
3101222121220000121210100000
4231021231301013202000
5401314022320331120
610333224343200000
7440112321445500
oct55115561074200
911877800553300
103102807980160
11a9699123a939
12421418146000
13196794001c65
14aa268c57a00
1555aa0242990
hex2d26dc47880

3102807980160 has 2304 divisors, whose sum is σ = 14029010835840. Its totient is φ = 650801184768.

The previous prime is 3102807980141. The next prime is 3102807980189. The reversal of 3102807980160 is 610897082013.

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5570570602 + ... + 5570571158.

Almost surely, 23102807980160 is an apocalyptic number.

3102807980160 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 3102807980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7014505417920).

3102807980160 is an abundant number, since it is smaller than the sum of its proper divisors (10926202855680).

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

3102807980160 is a wasteful number, since it uses less digits than its factorization.

3102807980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 3102807980160 in words is "three trillion, one hundred two billion, eight hundred seven million, nine hundred eighty thousand, one hundred sixty".