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1303222112020 = 22565161105601
BaseRepresentation
bin10010111101101110000…
…101110100111100010100
311121120211210022200222101
4102331232011310330110
5132322444330041040
62434405244411444
7163104026115103
oct22755605647424
94546753280871
101303222112020
114627699a8694
121906a6546b84
1395b7c8087ba
144710d48c03a
1523d76c4009a
hex12f6e174f14

1303222112020 has 12 divisors (see below), whose sum is σ = 2736766435284. Its totient is φ = 521288844800.

The previous prime is 1303222111973. The next prime is 1303222112041. The reversal of 1303222112020 is 202112223031.

It can be written as a sum of positive squares in 2 ways, for example, as 774730915344 + 528491196676 = 880188^2 + 726974^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32580552781 + ... + 32580552820.

It is an arithmetic number, because the mean of its divisors is an integer number (228063869607).

Almost surely, 21303222112020 is an apocalyptic number.

1303222112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303222112020 is an abundant number, since it is smaller than the sum of its proper divisors (1433544323264).

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

1303222112020 is a wasteful number, since it uses less digits than its factorization.

1303222112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65161105610 (or 65161105608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1303222112020 its reverse (202112223031), we get a palindrome (1505334335051).

The spelling of 1303222112020 in words is "one trillion, three hundred three billion, two hundred twenty-two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 65161105601 130322211202 260644422404 325805528005 651611056010 1303222112020