Search a number
-
+
23212213330 = 257093273937
BaseRepresentation
bin10101100111100011…
…100100010001010010
32012220200212121112211
4111213203210101102
5340014311311310
614355154142334
71451135362225
oct254743442122
965820777484
1023212213330
119931764489
1245b98819aa
13225c031597
1411a2b6d5bc
1590cc7cc8a
hex5678e4452

23212213330 has 16 divisors (see below), whose sum is σ = 41840927640. Its totient is φ = 9271786752.

The previous prime is 23212213279. The next prime is 23212213337. The reversal of 23212213330 is 3331221232.

It can be written as a sum of positive squares in 4 ways, for example, as 17250983649 + 5961229681 = 131343^2 + 77209^2 .

It is not an unprimeable number, because it can be changed into a prime (23212213337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629879 + ... + 1644058.

Almost surely, 223212213330 is an apocalyptic number.

23212213330 is a deficient number, since it is larger than the sum of its proper divisors (18628714310).

23212213330 is a wasteful number, since it uses less digits than its factorization.

23212213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274653.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23212213330 its reverse (3331221232), we get a palindrome (26543434562).

The spelling of 23212213330 in words is "twenty-three billion, two hundred twelve million, two hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 709 1418 3545 7090 3273937 6547874 16369685 32739370 2321221333 4642442666 11606106665 23212213330