Search a number
-
+
12948131867097 = 371973129836081
BaseRepresentation
bin1011110001101011100011…
…0011001110100111011001
31200211211101120110101002010
42330122320303032213121
53144120233224221342
643312142322300133
72504320530632130
oct274327063164731
950754346411063
1012948131867097
1141422a9977859
1215515271b7649
1372c007b9190b
1432a99b564917
15176c25ccb29c
hexbc6b8cce9d9

12948131867097 has 16 divisors (see below), whose sum is σ = 19830641415552. Its totient is φ = 7361374460160.

The previous prime is 12948131867059. The next prime is 12948131867141. The reversal of 12948131867097 is 79076813184921.

It is not a de Polignac number, because 12948131867097 - 210 = 12948131866073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12948131867197) 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, 1564913904 + ... + 1564922177.

It is an arithmetic number, because the mean of its divisors is an integer number (1239415088472).

Almost surely, 212948131867097 is an apocalyptic number.

It is an amenable number.

12948131867097 is a deficient number, since it is larger than the sum of its proper divisors (6882509548455).

12948131867097 is a wasteful number, since it uses less digits than its factorization.

12948131867097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129836288.

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 12948131867097 in words is "twelve trillion, nine hundred forty-eight billion, one hundred thirty-one million, eight hundred sixty-seven thousand, ninety-seven".

Divisors: 1 3 7 21 197 591 1379 4137 3129836081 9389508243 21908852567 65726557701 616577707957 1849733123871 4316043955699 12948131867097