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10331331032021 = 19037542697433
BaseRepresentation
bin1001011001010111001101…
…0100001111001111010101
31100120122222020000121121212
42112111303110033033111
52323232031221011041
633550051542551205
72114262004553426
oct226256324171725
940518866017555
1010331331032021
11332354703740a
1211aa345a38505
1359c318030b1c
1427a07939764d
1512db1ceea8eb
hex9657350f3d5

10331331032021 has 4 divisors (see below), whose sum is σ = 10331873748492. Its totient is φ = 10330788315552.

The previous prime is 10331331031969. The next prime is 10331331032053. The reversal of 10331331032021 is 12023013313301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1250178916996 + 9081152115025 = 1118114^2 + 3013495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10331331032021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331331032521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271329680 + ... + 271367753.

It is an arithmetic number, because the mean of its divisors is an integer number (2582968437123).

Almost surely, 210331331032021 is an apocalyptic number.

It is an amenable number.

10331331032021 is a deficient number, since it is larger than the sum of its proper divisors (542716471).

10331331032021 is an equidigital number, since it uses as much as digits as its factorization.

10331331032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542716470.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 10331331032021 its reverse (12023013313301), we get a palindrome (22354344345322).

The spelling of 10331331032021 in words is "ten trillion, three hundred thirty-one billion, three hundred thirty-one million, thirty-two thousand, twenty-one".

Divisors: 1 19037 542697433 10331331032021