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42561532333 = 1724977100237
BaseRepresentation
bin100111101000110111…
…010111000110101101
311001212012000212021101
4213220313113012231
51144131223013313
631315201203101
73034500025045
oct475067270655
9131765025241
1042561532333
111706096a211
1282b9930491
134023977278
1420ba878725
1511918195dd
hex9e8dd71ad

42561532333 has 8 divisors (see below), whose sum is σ = 45067405752. Its totient is φ = 40055909376.

The previous prime is 42561532313. The next prime is 42561532337. The reversal of 42561532333 is 33323516524.

It can be written as a sum of positive squares in 4 ways, for example, as 43917129 + 42517615204 = 6627^2 + 206198^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42561532333 - 25 = 42561532301 is a prime.

It is a super-2 number, since 2×425615323332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42561532292 and 42561532301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42561532337) 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, 374491 + ... + 474727.

It is an arithmetic number, because the mean of its divisors is an integer number (5633425719).

Almost surely, 242561532333 is an apocalyptic number.

It is an amenable number.

42561532333 is a deficient number, since it is larger than the sum of its proper divisors (2505873419).

42561532333 is a wasteful number, since it uses less digits than its factorization.

42561532333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125231.

The product of its digits is 194400, while the sum is 37.

The spelling of 42561532333 in words is "forty-two billion, five hundred sixty-one million, five hundred thirty-two thousand, three hundred thirty-three".

Divisors: 1 17 24977 100237 424609 1704029 2503619549 42561532333