Search a number
-
+
1201202131113 = 331720531274719
BaseRepresentation
bin10001011110101101001…
…110011111000010101001
311020211111211201200212000
4101132231032133002221
5124140030221143423
62315454042241213
7152532623435325
oct21365516370251
94224454650760
101201202131113
11423477318a86
121749741b6209
13893716771aa
14421d2050985
15213a54e7843
hex117ad39f0a9

1201202131113 has 32 divisors (see below), whose sum is σ = 1885157913600. Its totient is φ = 753327744768.

The previous prime is 1201202131061. The next prime is 1201202131117. The reversal of 1201202131113 is 3111312021021.

It is not a de Polignac number, because 1201202131113 - 213 = 1201202122921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201202131117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304968 + ... + 1579686.

It is an arithmetic number, because the mean of its divisors is an integer number (58911184800).

Almost surely, 21201202131113 is an apocalyptic number.

It is an amenable number.

1201202131113 is a deficient number, since it is larger than the sum of its proper divisors (683955782487).

1201202131113 is a wasteful number, since it uses less digits than its factorization.

1201202131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276798 (or 1276792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1201202131113 its reverse (3111312021021), we get a palindrome (4312514152134).

The spelling of 1201202131113 in words is "one trillion, two hundred one billion, two hundred two million, one hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 3 9 17 27 51 153 459 2053 6159 18477 34901 55431 104703 314109 942327 1274719 3824157 11472471 21670223 34417413 65010669 195032007 585096021 2616998107 7850994321 23552982963 44488967819 70658948889 133466903457 400400710371 1201202131113