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12730222541507 = 125639101323813
BaseRepresentation
bin1011100100111111110001…
…1001000111101011000011
31200001222221002121200110112
42321033330121013223003
53132032443432312012
643024103345221535
72452504532134652
oct271177431075303
950058832550415
1012730222541507
114068947826229
1215172519318ab
137145bb36c083
14320208adb199
15171220410122
hexb93fc647ac3

12730222541507 has 4 divisors (see below), whose sum is σ = 12730323990960. Its totient is φ = 12730121092056.

The previous prime is 12730222541503. The next prime is 12730222541549. The reversal of 12730222541507 is 70514522203721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12730222541507 - 22 = 12730222541503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12730222541503) 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, 50536268 + ... + 50787545.

It is an arithmetic number, because the mean of its divisors is an integer number (3182580997740).

Almost surely, 212730222541507 is an apocalyptic number.

12730222541507 is a deficient number, since it is larger than the sum of its proper divisors (101449453).

12730222541507 is a wasteful number, since it uses less digits than its factorization.

12730222541507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101449452.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 12730222541507 in words is "twelve trillion, seven hundred thirty billion, two hundred twenty-two million, five hundred forty-one thousand, five hundred seven".

Divisors: 1 125639 101323813 12730222541507