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55712270928 = 2431160672311
BaseRepresentation
bin110011111000101101…
…011100101001010000
312022210200110121012210
4303320231130221100
51403044320132203
641332135152120
74011413326566
oct637055345120
9168720417183
1055712270928
112169a140816
12a969b15640
13533b3460b2
1429a7241a36
1516b10e4803
hexcf8b5ca50

55712270928 has 20 divisors (see below), whose sum is σ = 143923366688. Its totient is φ = 18570756960.

The previous prime is 55712270921. The next prime is 55712270969. The reversal of 55712270928 is 82907221755.

55712270928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1160672311 = 55712270928 / (5 + 5 + 7 + 1 + 2 + 2 + 7 + 0 + 9 + 2 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712270921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580336108 + ... + 580336203.

Almost surely, 255712270928 is an apocalyptic number.

It is an amenable number.

55712270928 is an abundant number, since it is smaller than the sum of its proper divisors (88211095760).

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

55712270928 is a wasteful number, since it uses less digits than its factorization.

55712270928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160672322 (or 1160672316 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 55712270928 in words is "fifty-five billion, seven hundred twelve million, two hundred seventy thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1160672311 2321344622 3482016933 4642689244 6964033866 9285378488 13928067732 18570756976 27856135464 55712270928