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113221221141 = 3719283762459
BaseRepresentation
bin110100101110010000…
…0101011101100010101
3101211020120200222001210
41221130200223230111
53323334113034031
6124002455412033
711115504333510
oct1513440535425
9354216628053
10113221221141
1144020478246
1219b39684019
13a8a4988912
1456a0d33d77
152e29cd8746
hex1a5c82bb15

113221221141 has 16 divisors (see below), whose sum is σ = 181607974400. Its totient is φ = 61292690928.

The previous prime is 113221221137. The next prime is 113221221151. The reversal of 113221221141 is 141122122311.

It is not a de Polignac number, because 113221221141 - 22 = 113221221137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141880831 + ... + 141881628.

It is an arithmetic number, because the mean of its divisors is an integer number (11350498400).

Almost surely, 2113221221141 is an apocalyptic number.

It is an amenable number.

113221221141 is a deficient number, since it is larger than the sum of its proper divisors (68386753259).

113221221141 is a wasteful number, since it uses less digits than its factorization.

113221221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283762488.

The product of its digits is 192, while the sum is 21.

Adding to 113221221141 its reverse (141122122311), we get a palindrome (254343343452).

The spelling of 113221221141 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 3 7 19 21 57 133 399 283762459 851287377 1986337213 5391486721 5959011639 16174460163 37740407047 113221221141