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461523097657 = 31310253143813
BaseRepresentation
bin1101011011101001110…
…10111001100000111001
31122010021100010112221101
412231310322321200321
530030144403111112
6552004253411401
745225654413446
oct6556472714071
91563240115841
10461523097657
11168804836256
1275543199b61
13346a17b6b3b
14184a304c9cd
15c012c09757
hex6b74eb9839

461523097657 has 8 divisors (see below), whose sum is σ = 463045989384. Its totient is φ = 460000514688.

The previous prime is 461523097639. The next prime is 461523097703. The reversal of 461523097657 is 756790325164.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3493282816 + 458029814841 = 59104^2 + 676779^2 .

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 461523097657 - 211 = 461523095609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461523097598 and 461523097607.

It is not an unprimeable number, because it can be changed into a prime (461523097627) 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, 3137283 + ... + 3281095.

It is an arithmetic number, because the mean of its divisors is an integer number (57880748673).

Almost surely, 2461523097657 is an apocalyptic number.

It is an amenable number.

461523097657 is a deficient number, since it is larger than the sum of its proper divisors (1522891727).

461523097657 is a wasteful number, since it uses less digits than its factorization.

461523097657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154379.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 461523097657 in words is "four hundred sixty-one billion, five hundred twenty-three million, ninety-seven thousand, six hundred fifty-seven".

Divisors: 1 313 10253 143813 3209189 45013469 1474514689 461523097657