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13771252122 = 2313117520677
BaseRepresentation
bin11001101001101010…
…01010000110011010
31022112202001002110220
430310311022012122
5211200420031442
610154301420510
7665156466045
oct146465120632
938482032426
1013771252122
115927570601
122803b6a736
1313b60ca7c4
14948d6dc5c
15558eeaeec
hex334d4a19a

13771252122 has 16 divisors (see below), whose sum is σ = 27752753952. Its totient is φ = 4555375760.

The previous prime is 13771252081. The next prime is 13771252133. The reversal of 13771252122 is 22125217731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8759553 + ... + 8761124.

It is an arithmetic number, because the mean of its divisors is an integer number (1734547122).

Almost surely, 213771252122 is an apocalyptic number.

13771252122 is an abundant number, since it is smaller than the sum of its proper divisors (13981501830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13771252122 is a wasteful number, since it uses less digits than its factorization.

13771252122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520813.

The product of its digits is 11760, while the sum is 33.

Adding to 13771252122 its reverse (22125217731), we get a palindrome (35896469853).

The spelling of 13771252122 in words is "thirteen billion, seven hundred seventy-one million, two hundred fifty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 131 262 393 786 17520677 35041354 52562031 105124062 2295208687 4590417374 6885626061 13771252122