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707136668069 = 1389611181217
BaseRepresentation
bin10100100101001001010…
…00010100000110100101
32111121020120101200212112
422102210220110012211
543041203441334234
61300504252530405
7102042335334656
oct12224450240645
92447216350775
10707136668069
11252993239a87
12b506a780a05
13518b4b84760
142632307952d
15135da8baace
hexa4a4a141a5

707136668069 has 8 divisors (see below), whose sum is σ = 770088334680. Its totient is φ = 645407364096.

The previous prime is 707136668059. The next prime is 707136668111. The reversal of 707136668069 is 960866631707.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 592192225 + 706544475844 = 24335^2 + 840562^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 707136668069 - 24 = 707136668053 is a prime.

It is a super-2 number, since 2×7071366680692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 707136667999 and 707136668017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707136668059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305589452 + ... + 305591765.

It is an arithmetic number, because the mean of its divisors is an integer number (96261041835).

Almost surely, 2707136668069 is an apocalyptic number.

It is an amenable number.

707136668069 is a deficient number, since it is larger than the sum of its proper divisors (62951666611).

707136668069 is a wasteful number, since it uses less digits than its factorization.

707136668069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611181319.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 707136668069 in words is "seven hundred seven billion, one hundred thirty-six million, six hundred sixty-eight thousand, sixty-nine".

Divisors: 1 13 89 1157 611181217 7945355821 54395128313 707136668069