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1312053112223 = 7278173425431
BaseRepresentation
bin10011000101111100011…
…101011010110110011111
311122102122020101222211222
4103011330131122312133
5132444041044042343
62442425431403555
7163535620304300
oct23057435326637
94572566358758
101312053112223
1146649085a867
1219234bb235bb
1396959266ac9
144770a2707a7
15241e2187a68
hex1317c75ad9f

1312053112223 has 12 divisors (see below), whose sum is σ = 1526461560432. Its totient is φ = 1124472756960.

The previous prime is 1312053112211. The next prime is 1312053112319. The reversal of 1312053112223 is 3222113502131.

It is not a de Polignac number, because 1312053112223 - 212 = 1312053108127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312053112192 and 1312053112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312053112423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329683 + ... + 2095748.

It is an arithmetic number, because the mean of its divisors is an integer number (127205130036).

Almost surely, 21312053112223 is an apocalyptic number.

1312053112223 is a deficient number, since it is larger than the sum of its proper divisors (214408448209).

1312053112223 is an equidigital number, since it uses as much as digits as its factorization.

1312053112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433262 (or 3433255 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1312053112223 its reverse (3222113502131), we get a palindrome (4534166614354).

The spelling of 1312053112223 in words is "one trillion, three hundred twelve billion, fifty-three million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 7 49 7817 54719 383033 3425431 23978017 167846119 26776594127 187436158889 1312053112223