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55909268742 = 239318211457
BaseRepresentation
bin110100000100011100…
…111011110100000110
312100022102011010102010
4310010130323310012
51404000233044432
641403453355050
74016324641335
oct640434736406
9170272133363
1055909268742
1121790363128
12aa03a98a86
1353700bba52
1429c5481d1c
1516c35593cc
hexd0473bd06

55909268742 has 8 divisors (see below), whose sum is σ = 111818537496. Its totient is φ = 18636422912.

The previous prime is 55909268683. The next prime is 55909268743. The reversal of 55909268742 is 24786290955.

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

55909268742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55909268743) 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 3 ways as a sum of consecutive naturals, for example, 4659105723 + ... + 4659105734.

It is an arithmetic number, because the mean of its divisors is an integer number (13977317187).

Almost surely, 255909268742 is an apocalyptic number.

55909268742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55909268742 is a wasteful number, since it uses less digits than its factorization.

55909268742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9318211462.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 55909268742 in words is "fifty-five billion, nine hundred nine million, two hundred sixty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9318211457 18636422914 27954634371 55909268742