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1302221313030 = 235113183972163
BaseRepresentation
bin10010111100110010011…
…100000101010000000110
311121111021001010211212010
4102330302130011100012
5132313422124004110
62434122054035050
7163040154345561
oct22746234052006
94544231124763
101302221313030
114622a5a89590
12190467348a86
1395a5037ba51
14470565b34d8
1523d18e52020
hex12f32705406

1302221313030 has 384 divisors, whose sum is σ = 3621015207936. Its totient is φ = 296881459200.

The previous prime is 1302221312993. The next prime is 1302221313037. The reversal of 1302221313030 is 303131222031.

It is a junction number, because it is equal to n+sod(n) for n = 1302221312988 and 1302221313006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302221313037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7989087729 + ... + 7989087891.

It is an arithmetic number, because the mean of its divisors is an integer number (9429727104).

Almost surely, 21302221313030 is an apocalyptic number.

1302221313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302221313030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810507603968).

1302221313030 is an abundant number, since it is smaller than the sum of its proper divisors (2318793894906).

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

1302221313030 is a wasteful number, since it uses less digits than its factorization.

1302221313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 395 counting only the distinct ones).

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

Adding to 1302221313030 its reverse (303131222031), we get a palindrome (1605352535061).

Subtracting from 1302221313030 its reverse (303131222031), we obtain a palindrome (999090090999).

The spelling of 1302221313030 in words is "one trillion, three hundred two billion, two hundred twenty-one million, three hundred thirteen thousand, thirty".