Search a number
-
+
656145663050354 = 2615378243139757
BaseRepresentation
bin1001010100110000101101000…
…1001010101100001001110010
310012001012220122102022122011012
42111030023101022230021302
51142000242304220102404
610243301053433350522
7255130650130005611
oct22514132112541162
93161186572278135
10656145663050354
111800828a4123124
1261711512b68442
1322217369483339
14b805896031878
1550cccc3c62a6e
hex254c2d12ac272

656145663050354 has 8 divisors (see below), whose sum is σ = 1000353223994988. Its totient is φ = 322694588385360.

The previous prime is 656145663050323. The next prime is 656145663050369. The reversal of 656145663050354 is 453050366541656.

It can be written as a sum of positive squares in 2 ways, for example, as 486301509540025 + 169844153510329 = 22052245^2 + 13032427^2 .

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

It is a super-2 number, since 2×6561456630503542 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656145663050293 and 656145663050302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689121569757 + ... + 2689121570000.

Almost surely, 2656145663050354 is an apocalyptic number.

656145663050354 is a deficient number, since it is larger than the sum of its proper divisors (344207560944634).

656145663050354 is a wasteful number, since it uses less digits than its factorization.

656145663050354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378243139820.

The product of its (nonzero) digits is 116640000, while the sum is 59.

The spelling of 656145663050354 in words is "six hundred fifty-six trillion, one hundred forty-five billion, six hundred sixty-three million, fifty thousand, three hundred fifty-four".

Divisors: 1 2 61 122 5378243139757 10756486279514 328072831525177 656145663050354