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42620765662125 = 3653729679871
BaseRepresentation
bin10011011000011011010111…
…00110001110101110101101
312120220111122102212212000000
421230031223212032232231
521041244312002142000
6230351413123454513
711656151206443600
oct1154155346165655
9176814572785000
1042620765662125
1112642402105792
124944234227439
131aa2175983571
14a74bdb082337
154dd9e5b26000
hex26c36b98ebad

42620765662125 has 336 divisors, whose sum is σ = 92875276555776. Its totient is φ = 19461658104000.

The previous prime is 42620765662093. The next prime is 42620765662147. The reversal of 42620765662125 is 52126656702624.

42620765662125 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 0 + 7 + 6 + 5 + 6 + 621 + 2 + 5 = 666.

It is not a de Polignac number, because 42620765662125 - 25 = 42620765662093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 4317770940 + ... + 4317780810.

Almost surely, 242620765662125 is an apocalyptic number.

42620765662125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42620765662125 is an abundant number, since it is smaller than the sum of its proper divisors (50254510893651).

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

42620765662125 is an frugal number, since it uses more digits than its factorization.

42620765662125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885 (or 10853 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 42620765662125 in words is "forty-two trillion, six hundred twenty billion, seven hundred sixty-five million, six hundred sixty-two thousand, one hundred twenty-five".