Search a number
-
+
53897344379834 = 2291815134058333
BaseRepresentation
bin11000100000100111101000…
…00100001110101110111010
321001211112110121012010210212
430100103310010032232322
524031023230130123314
6310344033113111122
714231645303152004
oct1420236404165672
9231745417163725
1053897344379834
111619a80a88a94a
1260657bb6b84a2
13240c6617937a7
14d44906d27374
15636ed86b4e3e
hex3104f410ebba

53897344379834 has 16 divisors (see below), whose sum is σ = 84095875510920. Its totient is φ = 25875653993280.

The previous prime is 53897344379833. The next prime is 53897344379887. The reversal of 53897344379834 is 43897344379835.

It can be written as a sum of positive squares in 4 ways, for example, as 33603643828225 + 20293700551609 = 5796865^2 + 4504853^2 .

It is not an unprimeable number, because it can be changed into a prime (53897344379833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567018669 + ... + 2567039664.

Almost surely, 253897344379834 is an apocalyptic number.

53897344379834 is a deficient number, since it is larger than the sum of its proper divisors (30198531131086).

53897344379834 is a wasteful number, since it uses less digits than its factorization.

53897344379834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134058545.

The product of its digits is 6584094720, while the sum is 77.

Subtracting from 53897344379834 its reverse (43897344379835), we obtain a palindrome (9999999999999).

The spelling of 53897344379834 in words is "fifty-three trillion, eight hundred ninety-seven billion, three hundred forty-four million, three hundred seventy-nine thousand, eight hundred thirty-four".

Divisors: 1 2 29 58 181 362 5249 10498 5134058333 10268116666 148887691657 297775383314 929264558273 1858529116546 26948672189917 53897344379834