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23213300012 = 2271748767437
BaseRepresentation
bin10101100111100111…
…101101100100101100
32012220202220211012022
4111213213231210230
5340020101100022
614355233325312
71451150536340
oct254747554454
965822824168
1023213300012
119932336971
1245ba106838
13225c3220a6
1411a2d73620
1590cde4c42
hex5679ed92c

23213300012 has 24 divisors (see below), whose sum is σ = 49157577504. Its totient is φ = 9363347712.

The previous prime is 23213299997. The next prime is 23213300021. The reversal of 23213300012 is 21000331232.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 24383243 + ... + 24384194.

It is an arithmetic number, because the mean of its divisors is an integer number (2048232396).

Almost surely, 223213300012 is an apocalyptic number.

It is an amenable number.

23213300012 is an abundant number, since it is smaller than the sum of its proper divisors (25944277492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23213300012 is a wasteful number, since it uses less digits than its factorization.

23213300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767465 (or 48767463 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23213300012 its reverse (21000331232), we get a palindrome (44213631244).

The spelling of 23213300012 in words is "twenty-three billion, two hundred thirteen million, three hundred thousand, twelve".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 48767437 97534874 195069748 341372059 682744118 829046429 1365488236 1658092858 3316185716 5803325003 11606650006 23213300012