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655112043 = 3410197937
BaseRepresentation
bin100111000011000…
…011011101101011
31200122201010210000
4213003003131223
52320202041133
6145001154043
722143234435
oct4703033553
91618633700
10655112043
11306880413
1216348b923
13a5953a81
1463011655
153c7a7413
hex270c376b

655112043 has 20 divisors (see below), whose sum is σ = 979707960. Its totient is φ = 436257792.

The previous prime is 655112021. The next prime is 655112053. The reversal of 655112043 is 340211556.

655112043 is a `hidden beast` number, since 655 + 1 + 1 + 2 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 655112043 - 25 = 655112011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 655111998 and 655112016.

It is not an unprimeable number, because it can be changed into a prime (655112053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78571 + ... + 86507.

It is an arithmetic number, because the mean of its divisors is an integer number (48985398).

Almost surely, 2655112043 is an apocalyptic number.

655112043 is a deficient number, since it is larger than the sum of its proper divisors (324595917).

655112043 is a wasteful number, since it uses less digits than its factorization.

655112043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968 (or 8959 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 655112043 is about 25595.1566316755. The cubic root of 655112043 is about 868.5040761529.

Adding to 655112043 its reverse (340211556), we get a palindrome (995323599).

The spelling of 655112043 in words is "six hundred fifty-five million, one hundred twelve thousand, forty-three".

Divisors: 1 3 9 27 81 1019 3057 7937 9171 23811 27513 71433 82539 214299 642897 8087803 24263409 72790227 218370681 655112043