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10021343441 = 15763830213
BaseRepresentation
bin10010101010101000…
…11001000011010001
3221212101220222211012
421111110121003101
5131010430442231
64334224100305
7503224004504
oct112524310321
927771828735
1010021343441
11428287271a
121b38164695
13c39251225
146b0d1b13b
153d9bc6e2b
hex2555190d1

10021343441 has 4 divisors (see below), whose sum is σ = 10085173812. Its totient is φ = 9957513072.

The previous prime is 10021343401. The next prime is 10021343467. The reversal of 10021343441 is 14434312001.

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 5824895041 + 4196448400 = 76321^2 + 64780^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021343441 - 26 = 10021343377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021343401) 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, 31914950 + ... + 31915263.

It is an arithmetic number, because the mean of its divisors is an integer number (2521293453).

Almost surely, 210021343441 is an apocalyptic number.

It is an amenable number.

10021343441 is a deficient number, since it is larger than the sum of its proper divisors (63830371).

10021343441 is an equidigital number, since it uses as much as digits as its factorization.

10021343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63830370.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10021343441 its reverse (14434312001), we get a palindrome (24455655442).

The spelling of 10021343441 in words is "ten billion, twenty-one million, three hundred forty-three thousand, four hundred forty-one".

Divisors: 1 157 63830213 10021343441