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42253011554 = 2131625115829
BaseRepresentation
bin100111010110011110…
…011100101001100010
311001001200111101022212
4213112132130221202
51143013232332204
631224420402122
73024032446415
oct472636345142
9131050441285
1042253011554
1116a127a5a66
128232546342
133ca4a84cb0
14208b8c7b7c
1511746c5c6e
hex9d679ca62

42253011554 has 8 divisors (see below), whose sum is σ = 68254864860. Its totient is φ = 19501389936.

The previous prime is 42253011551. The next prime is 42253011589. The reversal of 42253011554 is 45511035224.

It can be written as a sum of positive squares in 2 ways, for example, as 41459068225 + 793943329 = 203615^2 + 28177^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42253011554.

It is not an unprimeable number, because it can be changed into a prime (42253011551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812557889 + ... + 812557940.

Almost surely, 242253011554 is an apocalyptic number.

42253011554 is a deficient number, since it is larger than the sum of its proper divisors (26001853306).

42253011554 is a wasteful number, since it uses less digits than its factorization.

42253011554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625115844.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 42253011554 its reverse (45511035224), we get a palindrome (87764046778).

The spelling of 42253011554 in words is "forty-two billion, two hundred fifty-three million, eleven thousand, five hundred fifty-four".

Divisors: 1 2 13 26 1625115829 3250231658 21126505777 42253011554