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12550071107 = 737277717449
BaseRepresentation
bin10111011000000101…
…01110001101000011
31012101122011200001102
423230002232031003
5201200304233412
65433155325015
7623000562410
oct135402561503
935348150042
1012550071107
1153602081a2
122522bb076b
1312500cb4a2
14870ac9107
154d6bc98c2
hex2ec0ae343

12550071107 has 16 divisors (see below), whose sum is σ = 14736734400. Its totient is φ = 10462099968.

The previous prime is 12550071073. The next prime is 12550071119. The reversal of 12550071107 is 70117005521.

It is a cyclic number.

It is not a de Polignac number, because 12550071107 - 218 = 12549808963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12550071107.

It is not an unprimeable number, because it can be changed into a prime (12550041107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710519 + ... + 727967.

It is an arithmetic number, because the mean of its divisors is an integer number (921045900).

Almost surely, 212550071107 is an apocalyptic number.

12550071107 is a deficient number, since it is larger than the sum of its proper divisors (2186663293).

12550071107 is a wasteful number, since it uses less digits than its factorization.

12550071107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270.

The product of its (nonzero) digits is 2450, while the sum is 29.

Adding to 12550071107 its reverse (70117005521), we get a palindrome (82667076628).

The spelling of 12550071107 in words is "twelve billion, five hundred fifty million, seventy-one thousand, one hundred seven".

Divisors: 1 7 37 259 2777 17449 19439 102749 122143 645613 719243 4519291 48455873 339191111 1792867301 12550071107