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122420524241345 = 51147106531444547
BaseRepresentation
bin11011110101011100111111…
…110111000101000111000001
3121001110021202211011202002012
4123311130333313011013001
5112021214213201210340
61112211113515502305
734533406466566451
oct3365347767050701
9531407684152065
10122420524241345
113600928648a720
1211891b01a57995
13534028a498b85
14223328386dd61
15e2468aced565
hex6f573fdc51c1

122420524241345 has 32 divisors (see below), whose sum is σ = 163671278524416. Its totient is φ = 87137773099200.

The previous prime is 122420524241341. The next prime is 122420524241347. The reversal of 122420524241345 is 543142425024221.

It is not a de Polignac number, because 122420524241345 - 22 = 122420524241341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122420524241341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275160362 + ... + 275604908.

It is an arithmetic number, because the mean of its divisors is an integer number (5114727453888).

Almost surely, 2122420524241345 is an apocalyptic number.

It is an amenable number.

122420524241345 is a deficient number, since it is larger than the sum of its proper divisors (41250754283071).

122420524241345 is a wasteful number, since it uses less digits than its factorization.

122420524241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551141.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 122420524241345 its reverse (543142425024221), we get a palindrome (665562949265566).

The spelling of 122420524241345 in words is "one hundred twenty-two trillion, four hundred twenty billion, five hundred twenty-four million, two hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 11 47 55 235 517 2585 106531 444547 532655 1171841 2222735 4890017 5006957 5859205 20893709 24450085 25034785 55076527 104468545 229830799 275382635 1149153995 47358036457 236790182285 520938401027 2225827713479 2604692005135 11129138567395 24484104848269 122420524241345