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2980665193968 = 24347111719231157
BaseRepresentation
bin101011010111111101011…
…111010111010111110000
3101112221121200102100210000
4223113331133113113300
5342313400242201333
610201144303310000
7425226443055150
oct53277537272760
911487550370700
102980665193968
11a4a102883840
1240180a8ab300
131880c9bc8c87
14a439d0c8760
15528020c2713
hex2b5fd7d75f0

2980665193968 has 2400 divisors, whose sum is σ = 12485985988608. Its totient is φ = 663784243200.

The previous prime is 2980665193939. The next prime is 2980665193981. The reversal of 2980665193968 is 8693915660892.

2980665193968 is a `hidden beast` number, since 29 + 80 + 6 + 6 + 519 + 3 + 9 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 2980665193896 and 2980665193905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 18985128546 + ... + 18985128702.

Almost surely, 22980665193968 is an apocalyptic number.

2980665193968 is a gapful number since it is divisible by the number (28) 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 2980665193968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6242992994304).

2980665193968 is an abundant number, since it is smaller than the sum of its proper divisors (9505320794640).

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

2980665193968 is a wasteful number, since it uses less digits than its factorization.

2980665193968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 72.

The spelling of 2980665193968 in words is "two trillion, nine hundred eighty billion, six hundred sixty-five million, one hundred ninety-three thousand, nine hundred sixty-eight".