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54100432552121 = 83651812440387
BaseRepresentation
bin11000100110100001111010…
…00100001000000010111001
321002112221200011102020021122
430103100331010020002321
524042340141213131441
6311021221241315025
714252425103142524
oct1423207504100271
9232487604366248
1054100432552121
111626895686464a
126099039495a75
132425858829237
14d50691203bbb
1563c422ce834b
hex31343d1080b9

54100432552121 has 4 divisors (see below), whose sum is σ = 54752244992592. Its totient is φ = 53448620111652.

The previous prime is 54100432552063. The next prime is 54100432552141. The reversal of 54100432552121 is 12125523400145.

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.

It is a cyclic number.

It is not a de Polignac number, because 54100432552121 - 26 = 54100432552057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54100432552141) 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, 325906220111 + ... + 325906220276.

It is an arithmetic number, because the mean of its divisors is an integer number (13688061248148).

Almost surely, 254100432552121 is an apocalyptic number.

It is an amenable number.

54100432552121 is a deficient number, since it is larger than the sum of its proper divisors (651812440471).

54100432552121 is an equidigital number, since it uses as much as digits as its factorization.

54100432552121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651812440470.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 54100432552121 its reverse (12125523400145), we get a palindrome (66225955952266).

The spelling of 54100432552121 in words is "fifty-four trillion, one hundred billion, four hundred thirty-two million, five hundred fifty-two thousand, one hundred twenty-one".

Divisors: 1 83 651812440387 54100432552121