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10001142433 = 55211811473
BaseRepresentation
bin10010101000001110…
…10101001010100001
3221210222220200020201
421110013111022201
5130440243024213
64332223105201
7502560210442
oct112407251241
927728820221
1010001142433
114272425377
121b31442201
13c34cca479
146ac37d2c9
153d80366dd
hex2541d52a1

10001142433 has 4 divisors (see below), whose sum is σ = 10002959428. Its totient is φ = 9999325440.

The previous prime is 10001142413. The next prime is 10001142457. The reversal of 10001142433 is 33424110001.

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 6341255424 + 3659887009 = 79632^2 + 60497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10001142433 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 10001142433.

It is not an unprimeable number, because it can be changed into a prime (10001142413) 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, 900216 + ... + 911257.

It is an arithmetic number, because the mean of its divisors is an integer number (2500739857).

Almost surely, 210001142433 is an apocalyptic number.

It is an amenable number.

10001142433 is a deficient number, since it is larger than the sum of its proper divisors (1816995).

10001142433 is an equidigital number, since it uses as much as digits as its factorization.

10001142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816994.

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

Adding to 10001142433 its reverse (33424110001), we get a palindrome (43425252434).

The spelling of 10001142433 in words is "ten billion, one million, one hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 5521 1811473 10001142433