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2664942711788 = 22797981201293
BaseRepresentation
bin100110110001111010111…
…101101011001111101100
3100102202200102212111010002
4212301322331223033230
5322130300313234123
65400131403003432
7363351523204160
oct46617275531754
910382612774102
102664942711788
1193821775aa15
12370597b09578
131643c296ca96
1492dabc14ca0
15494c448a528
hex26c7af6b3ec

2664942711788 has 24 divisors (see below), whose sum is σ = 5384832701472. Its totient is φ = 1130343888384.

The previous prime is 2664942711719. The next prime is 2664942711791. The reversal of 2664942711788 is 8871172494662.

It is a super-2 number, since 2×26649427117882 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490597931 + ... + 490603362.

It is an arithmetic number, because the mean of its divisors is an integer number (224368029228).

Almost surely, 22664942711788 is an apocalyptic number.

2664942711788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2664942711788 is an abundant number, since it is smaller than the sum of its proper divisors (2719889989684).

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

2664942711788 is a wasteful number, since it uses less digits than its factorization.

2664942711788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981201401 (or 981201399 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 2664942711788 in words is "two trillion, six hundred sixty-four billion, nine hundred forty-two million, seven hundred eleven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 97 194 388 679 1358 2716 981201293 1962402586 3924805172 6868409051 13736818102 27473636204 95176525421 190353050842 380706101684 666235677947 1332471355894 2664942711788