Search a number
-
+
1312500306541 = 12730713336491
BaseRepresentation
bin10011000110010111000…
…111010101001001101101
311122110210101212211010111
4103012113013111021231
5133001000034302131
62442542044340021
7163552660346644
oct23062707251155
94573711784114
101312500306541
114666a022a546
12192455844611
13969caac0728
144774d7dc35b
152421b56eab1
hex131971d526d

1312500306541 has 8 divisors (see below), whose sum is σ = 1322881956864. Its totient is φ = 1302119390880.

The previous prime is 1312500306527. The next prime is 1312500306547. The reversal of 1312500306541 is 1456030052131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312500306541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312500306547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732306 + ... + 4068796.

It is an arithmetic number, because the mean of its divisors is an integer number (165360244608).

Almost surely, 21312500306541 is an apocalyptic number.

It is an amenable number.

1312500306541 is a deficient number, since it is larger than the sum of its proper divisors (10381650323).

1312500306541 is a wasteful number, since it uses less digits than its factorization.

1312500306541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367331.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1312500306541 its reverse (1456030052131), we get a palindrome (2768530358672).

The spelling of 1312500306541 in words is "one trillion, three hundred twelve billion, five hundred million, three hundred six thousand, five hundred forty-one".

Divisors: 1 127 30713 336491 3900551 42734357 10334648083 1312500306541