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53653430402161 = 67875197904719
BaseRepresentation
bin11000011001100001010011…
…01010001111110001110001
321000222012212211000020210221
430030300221222033301301
524013024211140332121
6310040013510053041
714205222010435402
oct1414605152176161
9230865784006727
1053653430402161
11161063237a1317
12602648934a181
1323c265c55bc55
14d36ba89179a9
156309aed26b41
hex30cc29a8fc71

53653430402161 has 4 divisors (see below), whose sum is σ = 53653445094400. Its totient is φ = 53653415709924.

The previous prime is 53653430402153. The next prime is 53653430402167. The reversal of 53653430402161 is 16120403435635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53653430402161 - 23 = 53653430402153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53653430402167) 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, 2835160 + ... + 10739878.

It is an arithmetic number, because the mean of its divisors is an integer number (13413361273600).

Almost surely, 253653430402161 is an apocalyptic number.

It is an amenable number.

53653430402161 is a deficient number, since it is larger than the sum of its proper divisors (14692239).

53653430402161 is an equidigital number, since it uses as much as digits as its factorization.

53653430402161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14692238.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 53653430402161 its reverse (16120403435635), we get a palindrome (69773833837796).

The spelling of 53653430402161 in words is "fifty-three trillion, six hundred fifty-three billion, four hundred thirty million, four hundred two thousand, one hundred sixty-one".

Divisors: 1 6787519 7904719 53653430402161