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266102948931072 = 2931159720737039
BaseRepresentation
bin111100100000010011101011…
…101111101010011000000000
31021220012012020001010200121220
4330200103223233222120000
5234334312314411243242
62341542001311515040
7110023206066406551
oct7440235357523000
91256165201120556
10266102948931072
1177874699422520
1225a1864b228a80
13b563528920306
14499d646abc328
1520b6e35b6bbec
hexf204ebbea600

266102948931072 has 320 divisors, whose sum is σ = 786599882956800. Its totient is φ = 79257385082880.

The previous prime is 266102948931023. The next prime is 266102948931073. The reversal of 266102948931072 is 270139849201662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 266102948930997 and 266102948931015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266102948931073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7184380329 + ... + 7184417367.

It is an arithmetic number, because the mean of its divisors is an integer number (2458124634240).

Almost surely, 2266102948931072 is an apocalyptic number.

266102948931072 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 266102948931072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393299941478400).

266102948931072 is an abundant number, since it is smaller than the sum of its proper divisors (520496934025728).

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

266102948931072 is a wasteful number, since it uses less digits than its factorization.

266102948931072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44337 (or 44321 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 266102948931072 in words is "two hundred sixty-six trillion, one hundred two billion, nine hundred forty-eight million, nine hundred thirty-one thousand, seventy-two".