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1112213231020 = 225291917609019
BaseRepresentation
bin10000001011110101000…
…100110001010110101100
310221022211001102012001101
4100023311010301112230
5121210303041343040
62210535501252444
7143232452323033
oct20136504612654
93838731365041
101112213231020
11399761412251
1215b679b64124
1380b5c17a4a8
143bb8d54d71a
151dde7ce109a
hex102f51315ac

1112213231020 has 24 divisors (see below), whose sum is σ = 2416187365200. Its totient is φ = 429544420032.

The previous prime is 1112213230993. The next prime is 1112213231033. The reversal of 1112213231020 is 201323122111.

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, 958803930 + ... + 958805089.

It is an arithmetic number, because the mean of its divisors is an integer number (100674473550).

Almost surely, 21112213231020 is an apocalyptic number.

1112213231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112213231020 is an abundant number, since it is smaller than the sum of its proper divisors (1303974134180).

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

1112213231020 is a wasteful number, since it uses less digits than its factorization.

1112213231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917609057 (or 1917609055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1112213231020 its reverse (201323122111), we get a palindrome (1313536353131).

The spelling of 1112213231020 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1917609019 3835218038 7670436076 9588045095 19176090190 38352180380 55610661551 111221323102 222442646204 278053307755 556106615510 1112213231020