Search a number
-
+
1201312233210 = 235178722408361
BaseRepresentation
bin10001011110110011110…
…010011111011011111010
311020211210111220110112110
4101132303302133123322
5124140241412430320
62315513014153150
7152535431333565
oct21366362373372
94224714813473
101201312233210
1142352348a351
121749a50527b6
138938b416b6b
14422029114dc
15213aeee55e0
hex117b3c9f6fa

1201312233210 has 32 divisors (see below), whose sum is σ = 2884762890432. Its totient is φ = 320170647680.

The previous prime is 1201312233197. The next prime is 1201312233371. The reversal of 1201312233210 is 123322131021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11150571 + ... + 11257790.

It is an arithmetic number, because the mean of its divisors is an integer number (90148840326).

Almost surely, 21201312233210 is an apocalyptic number.

1201312233210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201312233210 is an abundant number, since it is smaller than the sum of its proper divisors (1683450657222).

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

1201312233210 is a wasteful number, since it uses less digits than its factorization.

1201312233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22410158.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201312233210 its reverse (123322131021), we get a palindrome (1324634364231).

The spelling of 1201312233210 in words is "one trillion, two hundred one billion, three hundred twelve million, two hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1787 3574 5361 8935 10722 17870 26805 53610 22408361 44816722 67225083 112041805 134450166 224083610 336125415 672250830 40043741107 80087482214 120131223321 200218705535 240262446642 400437411070 600656116605 1201312233210