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56123298155 = 528307396533
BaseRepresentation
bin110100010001001101…
…011001000101101011
312100212022212221120102
4310101031121011223
51404420031020110
641441021020015
74024534106651
oct642115310553
9170768787512
1056123298155
1121890158641
12aa636b460b
1353a5548982
142a05a76dd1
1516d72355a5
hexd1135916b

56123298155 has 8 divisors (see below), whose sum is σ = 67350506832. Its totient is φ = 44896939168.

The previous prime is 56123298151. The next prime is 56123298167. The reversal of 56123298155 is 55189232165.

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 56123298155 - 22 = 56123298151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56123298151) 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, 56732 + ... + 339801.

It is an arithmetic number, because the mean of its divisors is an integer number (8418813354).

Almost surely, 256123298155 is an apocalyptic number.

56123298155 is a deficient number, since it is larger than the sum of its proper divisors (11227208677).

56123298155 is a wasteful number, since it uses less digits than its factorization.

56123298155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424845.

The product of its digits is 648000, while the sum is 47.

The spelling of 56123298155 in words is "fifty-six billion, one hundred twenty-three million, two hundred ninety-eight thousand, one hundred fifty-five".

Divisors: 1 5 28307 141535 396533 1982665 11224659631 56123298155