Search a number
-
+
111212002002 = 2355849331883
BaseRepresentation
bin110011110010011000…
…0000111101011010010
3101122001120000001120010
41213210300013223102
53310230233031002
6123031243055350
711014636263663
oct1474460075322
9348046001503
10111212002002
114318a304162
1219678811556
13a64463425a
14555015936a
152d5d70446c
hex19e4c07ad2

111212002002 has 16 divisors (see below), whose sum is σ = 222428656800. Its totient is φ = 37069891872.

The previous prime is 111212001947. The next prime is 111212002003. The reversal of 111212002002 is 200200212111.

It is not an unprimeable number, because it can be changed into a prime (111212002003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169153 + ... + 501035.

It is an arithmetic number, because the mean of its divisors is an integer number (13901791050).

Almost surely, 2111212002002 is an apocalyptic number.

111212002002 is an abundant number, since it is smaller than the sum of its proper divisors (111216654798).

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

111212002002 is a wasteful number, since it uses less digits than its factorization.

111212002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387737.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111212002002 its reverse (200200212111), we get a palindrome (311412214113).

The spelling of 111212002002 in words is "one hundred eleven billion, two hundred twelve million, two thousand, two".

Divisors: 1 2 3 6 55849 111698 167547 331883 335094 663766 995649 1991298 18535333667 37070667334 55606001001 111212002002