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122420845738 = 2571107198639
BaseRepresentation
bin111001000000011011…
…0011101110010101010
3102200222201102022112201
41302000312131302222
54001204214030423
6132123411330414
711562463006462
oct1620066356252
9380881368481
10122420845738
1147a11415384
121b8865b0a0a
13b70c8c1379
145cd4a70ba2
1532b77982ad
hex1c80d9dcaa

122420845738 has 8 divisors (see below), whose sum is σ = 183952866240. Its totient is φ = 61103223660.

The previous prime is 122420845727. The next prime is 122420845739. The reversal of 122420845738 is 837548024221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122420845739) 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, 53598178 + ... + 53600461.

It is an arithmetic number, because the mean of its divisors is an integer number (22994108280).

Almost surely, 2122420845738 is an apocalyptic number.

122420845738 is a deficient number, since it is larger than the sum of its proper divisors (61532020502).

122420845738 is a wasteful number, since it uses less digits than its factorization.

122420845738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107199212.

The product of its (nonzero) digits is 860160, while the sum is 46.

Adding to 122420845738 its reverse (837548024221), we get a palindrome (959968869959).

The spelling of 122420845738 in words is "one hundred twenty-two billion, four hundred twenty million, eight hundred forty-five thousand, seven hundred thirty-eight".

Divisors: 1 2 571 1142 107198639 214397278 61210422869 122420845738