Search a number
-
+
169289456704 = 26514312
BaseRepresentation
bin1001110110101001110…
…0000001110001000000
3121011222001222102221221
42131222130001301000
510233201100103304
6205434232324424
715142102432234
oct2355234016100
9534861872857
10169289456704
1165882537505
1228986843714
1312c6b995a74
14829d5565c4
15460c294054
hex276a701c40

169289456704 has 21 divisors (see below), whose sum is σ = 335940297511. Its totient is φ = 84643082560.

The previous prime is 169289456681. The next prime is 169289456711. The reversal of 169289456704 is 407654982961.

It is a happy number.

The square root of 169289456704 is 411448.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1692894567042 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3265869 + ... + 3317299.

Almost surely, 2169289456704 is an apocalyptic number.

169289456704 is the 411448-th square number.

It is an amenable number.

169289456704 is a deficient number, since it is larger than the sum of its proper divisors (166650840807).

169289456704 is an frugal number, since it uses more digits than its factorization.

169289456704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102874 (or 51433 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 169289456704 in words is "one hundred sixty-nine billion, two hundred eighty-nine million, four hundred fifty-six thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 51431 102862 205724 411448 822896 1645792 3291584 2645147761 5290295522 10580591044 21161182088 42322364176 84644728352 169289456704