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1431122044220 = 2251117382652953
BaseRepresentation
bin10100110100110101100…
…001010110010100111100
312001210222100121110011022
4110310311201112110330
5141421414220403340
63013240504043312
7205252352443601
oct24646541262474
95053870543138
101431122044220
11501a320a27a0
121b143ba63538
13a4c5359a65b
144d3a3a906a8
15273605263b5
hex14d3585653c

1431122044220 has 48 divisors (see below), whose sum is σ = 3471427598688. Its totient is φ = 489795778560.

The previous prime is 1431122044159. The next prime is 1431122044243. The reversal of 1431122044220 is 224402211341.

It is a super-2 number, since 2×14311220442202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1431122044220.

It is a congruent number.

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, 191322737 + ... + 191330216.

It is an arithmetic number, because the mean of its divisors is an integer number (72321408306).

Almost surely, 21431122044220 is an apocalyptic number.

1431122044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431122044220 is an abundant number, since it is smaller than the sum of its proper divisors (2040305554468).

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

1431122044220 is a wasteful number, since it uses less digits than its factorization.

1431122044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382652990 (or 382652988 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1431122044220 its reverse (224402211341), we get a palindrome (1655524255561).

The spelling of 1431122044220 in words is "one trillion, four hundred thirty-one billion, one hundred twenty-two million, forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 382652953 765305906 1530611812 1913264765 3826529530 4209182483 6505100201 7653059060 8418364966 13010200402 16836729932 21045912415 26020400804 32525501005 42091824830 65051002010 71556102211 84183649660 130102004020 143112204422 286224408844 357780511055 715561022110 1431122044220