Search a number
-
+
1312300322021 = 13648111557547
BaseRepresentation
bin10011000110001011001…
…100011100110011100101
311122110021110120112221102
4103012023030130303211
5133000042340301041
62442510142125445
7163545011455463
oct23061314346345
94573243515842
101312300322021
114665a8358187
121923ba880885
13969985404b0
1447731021833
1524208c1a09b
hex1318b31cce5

1312300322021 has 8 divisors (see below), whose sum is σ = 1413269213664. Its totient is φ = 1211334675120.

The previous prime is 1312300321991. The next prime is 1312300322041. The reversal of 1312300322021 is 1202230032131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312300322021 - 210 = 1312300320997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312300321984 and 1312300322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312300322041) 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, 63770 + ... + 1621316.

It is an arithmetic number, because the mean of its divisors is an integer number (176658651708).

Almost surely, 21312300322021 is an apocalyptic number.

It is an amenable number.

1312300322021 is a deficient number, since it is larger than the sum of its proper divisors (100968891643).

1312300322021 is a wasteful number, since it uses less digits than its factorization.

1312300322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622371.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312300322021 its reverse (1202230032131), we get a palindrome (2514530354152).

The spelling of 1312300322021 in words is "one trillion, three hundred twelve billion, three hundred million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 13 64811 842543 1557547 20248111 100946178617 1312300322021