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1220010310313 = 10219711937829
BaseRepresentation
bin10001110000001110010…
…001111111101010101001
311022122001121122012022122
4101300032101333222221
5124442040114412223
62332244235001025
7154066664351114
oct21601621775251
94278047565278
101220010310313
11430449018433
12178542b99175
138b07b162502
1443097d3557b
1521b067e15c8
hex11c0e47faa9

1220010310313 has 4 divisors (see below), whose sum is σ = 1220022350340. Its totient is φ = 1219998270288.

The previous prime is 1220010310301. The next prime is 1220010310333. The reversal of 1220010310313 is 3130130100221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1060432431529 + 159577878784 = 1029773^2 + 399472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220010310313 - 212 = 1220010306217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220010310291 and 1220010310300.

It is not an unprimeable number, because it can be changed into a prime (1220010310333) 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, 5866718 + ... + 6071111.

It is an arithmetic number, because the mean of its divisors is an integer number (305005587585).

Almost surely, 21220010310313 is an apocalyptic number.

It is an amenable number.

1220010310313 is a deficient number, since it is larger than the sum of its proper divisors (12040027).

1220010310313 is a wasteful number, since it uses less digits than its factorization.

1220010310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040026.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1220010310313 its reverse (3130130100221), we get a palindrome (4350140410534).

The spelling of 1220010310313 in words is "one trillion, two hundred twenty billion, ten million, three hundred ten thousand, three hundred thirteen".

Divisors: 1 102197 11937829 1220010310313