Search a number
-
+
10020031343 = 71431433049
BaseRepresentation
bin10010101010011110…
…11000101101101111
3221212022110022221222
421111033120231233
5131010112000333
64334140013555
7503206601240
oct112517305557
927768408858
1010020031343
114282056943
121b378312bb
13c38bb1c3a
146b0a98cc7
153d9a18298
hex2553d8b6f

10020031343 has 4 divisors (see below), whose sum is σ = 11451464400. Its totient is φ = 8588598288.

The previous prime is 10020031313. The next prime is 10020031361. The reversal of 10020031343 is 34313002001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34313002001 = 101393384259.

It is a cyclic number.

It is not a de Polignac number, because 10020031343 - 26 = 10020031279 is a prime.

It is a super-2 number, since 2×100200313432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020031313) 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, 715716518 + ... + 715716531.

It is an arithmetic number, because the mean of its divisors is an integer number (2862866100).

Almost surely, 210020031343 is an apocalyptic number.

10020031343 is a deficient number, since it is larger than the sum of its proper divisors (1431433057).

10020031343 is an equidigital number, since it uses as much as digits as its factorization.

10020031343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431433056.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10020031343 its reverse (34313002001), we get a palindrome (44333033344).

The spelling of 10020031343 in words is "ten billion, twenty million, thirty-one thousand, three hundred forty-three".

Divisors: 1 7 1431433049 10020031343