Search a number
-
+
2133492985 = 51332822969
BaseRepresentation
bin111111100101010…
…1000010011111001
312111200112200011201
41333022220103321
513332133233420
6551412054201
7103604251111
oct17712502371
95450480151
102133492985
119a5334948
124b6604361
132800169b0
141634c8041
15c748110a
hex7f2a84f9

2133492985 has 8 divisors (see below), whose sum is σ = 2757129480. Its totient is φ = 1575502464.

The previous prime is 2133492973. The next prime is 2133493003. The reversal of 2133492985 is 5892943312.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 2133238969 = 504^2 + 46187^2 .

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 2133492985 - 225 = 2099938553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16411420 + ... + 16411549.

It is an arithmetic number, because the mean of its divisors is an integer number (344641185).

Almost surely, 22133492985 is an apocalyptic number.

It is an amenable number.

2133492985 is a deficient number, since it is larger than the sum of its proper divisors (623636495).

2133492985 is a wasteful number, since it uses less digits than its factorization.

2133492985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32822987.

The product of its digits is 466560, while the sum is 46.

The square root of 2133492985 is about 46189.7497828252. The cubic root of 2133492985 is about 1287.3512915876.

The spelling of 2133492985 in words is "two billion, one hundred thirty-three million, four hundred ninety-two thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 32822969 164114845 426698597 2133492985