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7420686044 = 22113145311299
BaseRepresentation
bin1101110100100111…
…01010111011011100
3201011011022220112212
412322103222323130
5110144143423134
63224203015552
7351614535122
oct67223527334
921134286485
107420686044
113168869292
12153120a5b8
1391350acb5
14505787912
152d6716bce
hex1ba4eaedc

7420686044 has 24 divisors (see below), whose sum is σ = 13111299600. Its totient is φ = 3674651904.

The previous prime is 7420686011. The next prime is 7420686061. The reversal of 7420686044 is 4406860247.

It is a junction number, because it is equal to n+sod(n) for n = 7420685992 and 7420686010.

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, 651107 + ... + 662405.

It is an arithmetic number, because the mean of its divisors is an integer number (546304150).

Almost surely, 27420686044 is an apocalyptic number.

It is an amenable number.

7420686044 is a deficient number, since it is larger than the sum of its proper divisors (5690613556).

7420686044 is a wasteful number, since it uses less digits than its factorization.

7420686044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869 (or 12867 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 7420686044 is about 86143.4039494609. The cubic root of 7420686044 is about 1950.5092725506.

The spelling of 7420686044 in words is "seven billion, four hundred twenty million, six hundred eighty-six thousand, forty-four".

Divisors: 1 2 4 113 226 452 1453 2906 5812 11299 22598 45196 164189 328378 656756 1276787 2553574 5107148 16417447 32834894 65669788 1855171511 3710343022 7420686044