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2550808460772 = 223311132175359239
BaseRepresentation
bin100101000111101000000…
…010000011110111100100
3100000212002020010210112000
4211013220002003313210
5313243023431221042
65231454125525300
7352201261112565
oct45075002036744
910025066123460
102550808460772
118a3878970930
12352444713830
13156703aa7b00
148b66193216c
154654444e74c
hex251e8083de4

2550808460772 has 1152 divisors, whose sum is σ = 8606352384000. Its totient is φ = 644993556480.

The previous prime is 2550808460737. The next prime is 2550808460791. The reversal of 2550808460772 is 2770648080552.

2550808460772 is a `hidden beast` number, since 2 + 5 + 508 + 0 + 8 + 4 + 60 + 7 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 10672838629 + ... + 10672838867.

It is an arithmetic number, because the mean of its divisors is an integer number (7470792000).

Almost surely, 22550808460772 is an apocalyptic number.

2550808460772 is a gapful number since it is divisible by the number (22) 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 2550808460772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4303176192000).

2550808460772 is an abundant number, since it is smaller than the sum of its proper divisors (6055543923228).

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

2550808460772 is a wasteful number, since it uses less digits than its factorization.

2550808460772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 2550808460772 in words is "two trillion, five hundred fifty billion, eight hundred eight million, four hundred sixty thousand, seven hundred seventy-two".