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7426268725 = 521671778747
BaseRepresentation
bin1101110101010001…
…11101111000110101
3201011112211112112211
412322220331320311
5110202111044400
63224522413421
7352013146141
oct67250757065
921145745484
107426268725
113170a31677
121533061271
13914714065
145063dc221
152d6e6adba
hex1baa3de35

7426268725 has 12 divisors (see below), whose sum is σ = 9263719584. Its totient is φ = 5905436720.

The previous prime is 7426268723. The next prime is 7426268747. The reversal of 7426268725 is 5278626247.

It is not a de Polignac number, because 7426268725 - 21 = 7426268723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426268723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885199 + ... + 893548.

It is an arithmetic number, because the mean of its divisors is an integer number (771976632).

Almost surely, 27426268725 is an apocalyptic number.

It is an amenable number.

7426268725 is a deficient number, since it is larger than the sum of its proper divisors (1837450859).

7426268725 is a wasteful number, since it uses less digits than its factorization.

7426268725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778924 (or 1778919 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The square root of 7426268725 is about 86175.8012727471. The cubic root of 7426268725 is about 1950.9982813146.

The spelling of 7426268725 in words is "seven billion, four hundred twenty-six million, two hundred sixty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 167 835 4175 1778747 8893735 44468675 297050749 1485253745 7426268725