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42752475421554 = 2323309800546533
BaseRepresentation
bin10011011100010000101100…
…00111000101101101110010
312121101002121112000212122010
421232020112013011231302
521100424032201442204
6230532114401023350
712001523124101403
oct1156102607055562
9177332545025563
1042752475421554
111269324a903438
124965871624b56
131ab1705b40862
14a7b3336539aa
154e2153b19d89
hex26e2161c5b72

42752475421554 has 16 divisors (see below), whose sum is σ = 89222557401792. Its totient is φ = 13631224047408.

The previous prime is 42752475421547. The next prime is 42752475421559. The reversal of 42752475421554 is 45512457425724.

It is a junction number, because it is equal to n+sod(n) for n = 42752475421494 and 42752475421503.

It is not an unprimeable number, because it can be changed into a prime (42752475421559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154900273129 + ... + 154900273404.

It is an arithmetic number, because the mean of its divisors is an integer number (5576409837612).

Almost surely, 242752475421554 is an apocalyptic number.

42752475421554 is an abundant number, since it is smaller than the sum of its proper divisors (46470081980238).

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

42752475421554 is a wasteful number, since it uses less digits than its factorization.

42752475421554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309800546561.

The product of its digits is 62720000, while the sum is 57.

The spelling of 42752475421554 in words is "forty-two trillion, seven hundred fifty-two billion, four hundred seventy-five million, four hundred twenty-one thousand, five hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 138 309800546533 619601093066 929401639599 1858803279198 7125412570259 14250825140518 21376237710777 42752475421554