Search a number
-
+
2086968465 = 325271117107
BaseRepresentation
bin111110001100100…
…1001110010010001
312101102222222112100
41330121021302101
513233230442330
6543030551013
7102500640111
oct17431116221
95342888470
102086968465
1198104832a
124a2b08469
132734a74aa
1415b257041
15c3341060
hex7c649c91

2086968465 has 24 divisors (see below), whose sum is σ = 3618957888. Its totient is φ = 1112574240.

The previous prime is 2086968463. The next prime is 2086968479. The reversal of 2086968465 is 5648696802.

It is a happy number.

It is not a de Polignac number, because 2086968465 - 21 = 2086968463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2086968463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113442 + ... + 130548.

It is an arithmetic number, because the mean of its divisors is an integer number (150789912).

Almost surely, 22086968465 is an apocalyptic number.

It is an amenable number.

2086968465 is a deficient number, since it is larger than the sum of its proper divisors (1531989423).

2086968465 is a wasteful number, since it uses less digits than its factorization.

2086968465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829 (or 19826 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 2086968465 is about 45683.3499756749. The cubic root of 2086968465 is about 1277.9247918742.

The spelling of 2086968465 in words is "two billion, eighty-six million, nine hundred sixty-eight thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 45 2711 8133 13555 17107 24399 40665 51321 85535 121995 153963 256605 769815 46377077 139131231 231885385 417393693 695656155 2086968465