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42504553653 = 317979151869
BaseRepresentation
bin100111100101011110…
…000000010010110101
311001201012211001012220
4213211132000102311
51144022131204103
631305404032553
73033205513332
oct474536002265
9131635731186
1042504553653
11170317922a1
1282a2832759
134014c17583
1420b3085989
15118b811c53
hex9e57804b5

42504553653 has 8 divisors (see below), whose sum is σ = 56989346400. Its totient is φ = 28178065008.

The previous prime is 42504553639. The next prime is 42504553673. The reversal of 42504553653 is 35635540524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42504553653 - 28 = 42504553397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504553673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39575398 + ... + 39576471.

It is an arithmetic number, because the mean of its divisors is an integer number (7123668300).

Almost surely, 242504553653 is an apocalyptic number.

It is an amenable number.

42504553653 is a deficient number, since it is larger than the sum of its proper divisors (14484792747).

42504553653 is a wasteful number, since it uses less digits than its factorization.

42504553653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79152051.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 42504553653 in words is "forty-two billion, five hundred four million, five hundred fifty-three thousand, six hundred fifty-three".

Divisors: 1 3 179 537 79151869 237455607 14168184551 42504553653