Search a number
-
+
12545771270 = 251254577127
BaseRepresentation
bin10111010111100100…
…10100011100000110
31012101100002012210012
423223302110130012
5201143204140040
65432523230222
7622616203424
oct135362243406
935340065705
1012545771270
11535884070a
122521678372
13124c2542c6
148702ca114
154d662a865
hex2ebc94706

12545771270 has 8 divisors (see below), whose sum is σ = 22582388304. Its totient is φ = 5018308504.

The previous prime is 12545771149. The next prime is 12545771317. The reversal of 12545771270 is 7217754521.

12545771270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627288554 + ... + 627288573.

It is an arithmetic number, because the mean of its divisors is an integer number (2822798538).

Almost surely, 212545771270 is an apocalyptic number.

12545771270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545771270 is a deficient number, since it is larger than the sum of its proper divisors (10036617034).

12545771270 is a wasteful number, since it uses less digits than its factorization.

12545771270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254577134.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 12545771270 in words is "twelve billion, five hundred forty-five million, seven hundred seventy-one thousand, two hundred seventy".

Divisors: 1 2 5 10 1254577127 2509154254 6272885635 12545771270