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1022131320123 = 3769443056489
BaseRepresentation
bin11101101111110111100…
…01100011010100111011
310121201022002101222022010
432313323301203110323
5113221311104220443
62101321033301003
7133563236604144
oct16677361432473
93551262358263
101022131320123
11364535535301
12146119864763
13755043a9134
143768580cacb
151b8c4684733
hexedfbc6353b

1022131320123 has 8 divisors (see below), whose sum is σ = 1364613989200. Its totient is φ = 680534765568.

The previous prime is 1022131320103. The next prime is 1022131320137. The reversal of 1022131320123 is 3210231312201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022131320123 - 216 = 1022131254587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022131320123.

It is not an unprimeable number, because it can be changed into a prime (1022131320103) 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, 221525938 + ... + 221530551.

It is an arithmetic number, because the mean of its divisors is an integer number (170576748650).

Almost surely, 21022131320123 is an apocalyptic number.

1022131320123 is a deficient number, since it is larger than the sum of its proper divisors (342482669077).

1022131320123 is an equidigital number, since it uses as much as digits as its factorization.

1022131320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443057261.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1022131320123 its reverse (3210231312201), we get a palindrome (4232362632324).

The spelling of 1022131320123 in words is "one trillion, twenty-two billion, one hundred thirty-one million, three hundred twenty thousand, one hundred twenty-three".

Divisors: 1 3 769 2307 443056489 1329169467 340710440041 1022131320123