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55042731104 = 2517101181491
BaseRepresentation
bin110011010000110011…
…010110110001100000
312021002000121110020112
4303100303112301200
51400211414343404
641141500430452
73656003331464
oct632063266140
9167060543215
1055042731104
1121386206619
12a801848428
13526271029a
1429423564a4
15167243c56e
hexcd0cd6c60

55042731104 has 24 divisors (see below), whose sum is σ = 114739811928. Its totient is φ = 25902461440.

The previous prime is 55042731103. The next prime is 55042731127. The reversal of 55042731104 is 40113724055.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55042731103) 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, 50590202 + ... + 50591289.

It is an arithmetic number, because the mean of its divisors is an integer number (4780825497).

Almost surely, 255042731104 is an apocalyptic number.

It is an amenable number.

55042731104 is an abundant number, since it is smaller than the sum of its proper divisors (59697080824).

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

55042731104 is a wasteful number, since it uses less digits than its factorization.

55042731104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101181518 (or 101181510 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 55042731104 in words is "fifty-five billion, forty-two million, seven hundred thirty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 101181491 202362982 404725964 809451928 1618903856 1720085347 3237807712 3440170694 6880341388 13760682776 27521365552 55042731104