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3028692992640 = 273571271774403
BaseRepresentation
bin101100000100101100001…
…010111000001010000000
3101201112120211012022210020
4230010230022320022000
5344110230401231030
610235210133533440
7431546556445620
oct54045412701200
911645524168706
103028692992640
11a68509266837
1240ab931a4280
1318c7b21a5663
14a6837918880
1553bb3746510
hex2c12c2b8280

3028692992640 has 256 divisors, whose sum is σ = 11119976939520. Its totient is φ = 686821330944.

The previous prime is 3028692992599. The next prime is 3028692992641. The reversal of 3028692992640 is 462992968203.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (3028692992641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819679 + ... + 2594081.

It is an arithmetic number, because the mean of its divisors is an integer number (43437409920).

Almost surely, 23028692992640 is an apocalyptic number.

3028692992640 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 3028692992640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5559988469760).

3028692992640 is an abundant number, since it is smaller than the sum of its proper divisors (8091283946880).

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

3028692992640 is a wasteful number, since it uses less digits than its factorization.

3028692992640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774559 (or 1774547 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 3028692992640 in words is "three trillion, twenty-eight billion, six hundred ninety-two million, nine hundred ninety-two thousand, six hundred forty".