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2738794365780 = 22351124155716519
BaseRepresentation
bin100111110110101100110…
…111011000001101010100
3100200211022021210012222020
4213312230313120031110
5324333022324201110
65454103524133140
7401604606666564
oct47665467301524
910624267705866
102738794365780
11966575023700
123829688371b0
1316b362068a25
14967b61a6da4
154b397cbbd70
hex27dacdd8354

2738794365780 has 288 divisors, whose sum is σ = 8650763815680. Its totient is φ = 646554163200.

The previous prime is 2738794365773. The next prime is 2738794365817. The reversal of 2738794365780 is 875634978372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165788361 + ... + 165804879.

It is an arithmetic number, because the mean of its divisors is an integer number (30037374360).

Almost surely, 22738794365780 is an apocalyptic number.

2738794365780 is a gapful number since it is divisible by the number (20) 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 2738794365780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4325381907840).

2738794365780 is an abundant number, since it is smaller than the sum of its proper divisors (5911969449900).

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

2738794365780 is a wasteful number, since it uses less digits than its factorization.

2738794365780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17151 (or 17138 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 69.

The spelling of 2738794365780 in words is "two trillion, seven hundred thirty-eight billion, seven hundred ninety-four million, three hundred sixty-five thousand, seven hundred eighty".