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1312100223330 = 235133364359547
BaseRepresentation
bin10011000101111111010…
…001001000100101100010
311122102202112001111010210
4103011333101020211202
5132444140124121310
62442434233234550
7163540031610411
oct23057721104542
94572675044123
101312100223330
11466505408066
12192363862a56
1396965c502c0
1447712615478
15241e6391820
hex1317f448962

1312100223330 has 32 divisors (see below), whose sum is σ = 3391274424384. Its totient is φ = 322978516416.

The previous prime is 1312100223251. The next prime is 1312100223337. The reversal of 1312100223330 is 333220012131.

It is a junction number, because it is equal to n+sod(n) for n = 1312100223297 and 1312100223306.

It is not an unprimeable number, because it can be changed into a prime (1312100223337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682179384 + ... + 1682180163.

It is an arithmetic number, because the mean of its divisors is an integer number (105977325762).

Almost surely, 21312100223330 is an apocalyptic number.

1312100223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312100223330 is an abundant number, since it is smaller than the sum of its proper divisors (2079174201054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312100223330 is a wasteful number, since it uses less digits than its factorization.

1312100223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364359570.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1312100223330 its reverse (333220012131), we get a palindrome (1645320235461).

The spelling of 1312100223330 in words is "one trillion, three hundred twelve billion, one hundred million, two hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3364359547 6728719094 10093078641 16821797735 20186157282 33643595470 43736674111 50465393205 87473348222 100930786410 131210022333 218683370555 262420044666 437366741110 656050111665 1312100223330