Search a number
-
+
69966866996 = 22131923727193
BaseRepresentation
bin100000100101001011…
…0011010101000110100
320200121010000002221022
41001022112122220310
52121243004220441
652050424440312
75024562361655
oct1011226325064
9220533002838
1069966866996
1127744521824
1211687919098
1367a0616620
14355a46d52c
151c4776884b
hex104a59aa34

69966866996 has 36 divisors (see below), whose sum is σ = 139165969572. Its totient is φ = 30592791936.

The previous prime is 69966866993. The next prime is 69966867007.

69966866996 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 23919715600 + 46047151396 = 154660^2 + 214586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69966866996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69966866993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844825 + ... + 1882368.

It is an arithmetic number, because the mean of its divisors is an integer number (3865721377).

Almost surely, 269966866996 is an apocalyptic number.

It is an amenable number.

69966866996 is a deficient number, since it is larger than the sum of its proper divisors (69199102576).

69966866996 is a wasteful number, since it uses less digits than its factorization.

69966866996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727248 (or 3727227 counting only the distinct ones).

The product of its digits is 2448880128, while the sum is 80.

The spelling of 69966866996 in words is "sixty-nine billion, nine hundred sixty-six million, eight hundred sixty-six thousand, nine hundred ninety-six".

Divisors: 1 2 4 13 19 26 38 52 76 247 361 494 722 988 1444 4693 9386 18772 3727193 7454386 14908772 48453509 70816667 96907018 141633334 193814036 283266668 920616671 1345516673 1841233342 2691033346 3682466684 5382066692 17491716749 34983433498 69966866996