Search a number
-
+
23211112002 = 2313259387977
BaseRepresentation
bin10101100111011111…
…010111011001000010
32012220121210122210220
4111213133113121002
5340014021041002
614355114403510
71451123124321
oct254737273102
965817718726
1023211112002
119931081aa1
1245b9430596
13225ba37200
1411a29640b8
1590cb117bc
hex5677d7642

23211112002 has 48 divisors (see below), whose sum is σ = 51119981280. Its totient is φ = 7020813696.

The previous prime is 23211111953. The next prime is 23211112033. The reversal of 23211112002 is 20021111232.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134163 + ... + 253814.

It is an arithmetic number, because the mean of its divisors is an integer number (1064999610).

Almost surely, 223211112002 is an apocalyptic number.

23211112002 is an abundant number, since it is smaller than the sum of its proper divisors (27908869278).

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

23211112002 is a wasteful number, since it uses less digits than its factorization.

23211112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388067 (or 388054 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23211112002 its reverse (20021111232), we get a palindrome (43232223234).

The spelling of 23211112002 in words is "twenty-three billion, two hundred eleven million, one hundred twelve thousand, two".

Divisors: 1 2 3 6 13 26 39 59 78 118 169 177 338 354 507 767 1014 1534 2301 4602 9971 19942 29913 59826 387977 775954 1163931 2327862 5043701 10087402 15131103 22890643 30262206 45781286 65568113 68671929 131136226 137343858 196704339 297578359 393408678 595156718 892735077 1785470154 3868518667 7737037334 11605556001 23211112002