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1302111321030 = 23251317611995393
BaseRepresentation
bin10010111100101011111…
…000011111101111000110
311121110222101011200012100
4102330223320133233012
5132313210444233110
62434103124332530
7163034350416312
oct22745370375706
94543871150170
101302111321030
11462249992a03
12190436544146
1395a3364a220
1447045b40b42
1523d0e476bc0
hex12f2be1fbc6

1302111321030 has 384 divisors, whose sum is σ = 3944110060800. Its totient is φ = 295174471680.

The previous prime is 1302111321023. The next prime is 1302111321037. The reversal of 1302111321030 is 301231112031.

1302111321030 is a `hidden beast` number, since 1 + 302 + 1 + 11 + 321 + 0 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (1302111321023) and next prime (1302111321037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1302111320994 and 1302111321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302111321037) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 241442014 + ... + 241447406.

It is an arithmetic number, because the mean of its divisors is an integer number (10271119950).

Almost surely, 21302111321030 is an apocalyptic number.

1302111321030 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 1302111321030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972055030400).

1302111321030 is an abundant number, since it is smaller than the sum of its proper divisors (2641998739770).

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

1302111321030 is a wasteful number, since it uses less digits than its factorization.

1302111321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1302111321030 its reverse (301231112031), we get a palindrome (1603342433061).

The spelling of 1302111321030 in words is "one trillion, three hundred two billion, one hundred eleven million, three hundred twenty-one thousand, thirty".