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2668700388192 = 253171997887267
BaseRepresentation
bin100110110101011010111…
…100000100101101100000
3100110010101022121020002020
4212311122330010231200
5322210444244410232
65401552315021440
7363543612010026
oct46653274045540
910403338536066
102668700388192
11939875883903
1237126643a880
13164871308b47
1493246cca716
15496442e5e2c
hex26d5af04b60

2668700388192 has 192 divisors, whose sum is σ = 7888309390080. Its totient is φ = 784996171776.

The previous prime is 2668700388187. The next prime is 2668700388217. The reversal of 2668700388192 is 2918830078662.

It is a super-2 number, since 2×26687003881922 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2564143 + ... + 3451409.

It is an arithmetic number, because the mean of its divisors is an integer number (41084944740).

Almost surely, 22668700388192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668700388192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3944154695040).

2668700388192 is an abundant number, since it is smaller than the sum of its proper divisors (5219609001888).

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

2668700388192 is a wasteful number, since it uses less digits than its factorization.

2668700388192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887413 (or 887405 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 2668700388192 in words is "two trillion, six hundred sixty-eight billion, seven hundred million, three hundred eighty-eight thousand, one hundred ninety-two".