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55261102672 = 2419215384431
BaseRepresentation
bin110011011101110100…
…011000001001010000
312021122020111212201101
4303131310120021100
51401133320241142
641215301114144
73664264423336
oct633564301120
9167566455641
1055261102672
11214884a7396
12a8629b8954
135298a2a729
14296335bb56
1516866c50b7
hexcddd18250

55261102672 has 40 divisors (see below), whose sum is σ = 112757247360. Its totient is φ = 26163843840.

The previous prime is 55261102669. The next prime is 55261102703. The reversal of 55261102672 is 27620116255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612297 + ... + 696727.

It is an arithmetic number, because the mean of its divisors is an integer number (2818931184).

Almost surely, 255261102672 is an apocalyptic number.

It is an amenable number.

55261102672 is an abundant number, since it is smaller than the sum of its proper divisors (57496144688).

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

55261102672 is a wasteful number, since it uses less digits than its factorization.

55261102672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86611 (or 86605 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 55261102672 in words is "fifty-five billion, two hundred sixty-one million, one hundred two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 2153 4306 8612 17224 34448 40907 81814 84431 163628 168862 327256 337724 654512 675448 1350896 1604189 3208378 6416756 12833512 25667024 181779943 363559886 727119772 1454239544 2908479088 3453818917 6907637834 13815275668 27630551336 55261102672