Search a number
-
+
1210313121332 = 227393110996049
BaseRepresentation
bin10001100111001100010…
…010001001111000110100
311021201000210122221211012
4101213030102021320310
5124312210124340312
62324002110331352
7153304454534120
oct21471422117064
94251023587735
101210313121332
11427322227867
121766974b9b58
138a194118473
14428180b8580
152173a2ea322
hex119cc489e34

1210313121332 has 24 divisors (see below), whose sum is σ = 2421242241600. Its totient is φ = 518573623680.

The previous prime is 1210313121263. The next prime is 1210313121341. The reversal of 1210313121332 is 2331213130121.

It is a junction number, because it is equal to n+sod(n) for n = 1210313121298 and 1210313121307.

It is a congruent number.

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, 5387957 + ... + 5608092.

It is an arithmetic number, because the mean of its divisors is an integer number (100885093400).

Almost surely, 21210313121332 is an apocalyptic number.

It is an amenable number.

1210313121332 is an abundant number, since it is smaller than the sum of its proper divisors (1210929120268).

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

1210313121332 is a wasteful number, since it uses less digits than its factorization.

1210313121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999991 (or 10999989 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1210313121332 its reverse (2331213130121), we get a palindrome (3541526251453).

The spelling of 1210313121332 in words is "one trillion, two hundred ten billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 3931 7862 15724 27517 55034 110068 10996049 21992098 43984196 76972343 153944686 307889372 43225468619 86450937238 172901874476 302578280333 605156560666 1210313121332