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2231144143020 = 223651311771363
BaseRepresentation
bin100000011101111010100…
…011011101100010101100
321220021222021022221000000
4200131322203131202230
5243023340400034040
64424550134104300
7320123555205612
oct40357243354254
97807867287000
102231144143020
1179024a780661
123004b17ab090
1313251bcb3830
1479db8d296b2
153d085731130
hex2077a8dd8ac

2231144143020 has 168 divisors, whose sum is σ = 7565267300976. Its totient is φ = 549204665472.

The previous prime is 2231144143009. The next prime is 2231144143031. The reversal of 2231144143020 is 203414411322.

2231144143020 is a `hidden beast` number, since 2 + 2 + 311 + 4 + 41 + 4 + 302 + 0 = 666.

2231144143020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231144143009) and next prime (2231144143031).

It is a super-3 number, since 3×22311441430203 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5696142 + ... + 6075221.

It is an arithmetic number, because the mean of its divisors is an integer number (45031352982).

Almost surely, 22231144143020 is an apocalyptic number.

2231144143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231144143020 is an abundant number, since it is smaller than the sum of its proper divisors (5334123157956).

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

2231144143020 is a wasteful number, since it uses less digits than its factorization.

2231144143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771403 (or 11771386 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2231144143020 its reverse (203414411322), we get a palindrome (2434558554342).

The spelling of 2231144143020 in words is "two trillion, two hundred thirty-one billion, one hundred forty-four million, one hundred forty-three thousand, twenty".