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1301310230220 = 22325711137222279
BaseRepresentation
bin10010111011111100001…
…000100100111011001100
311121101220112210001012100
4102323330020210323030
5132310040404331340
62433451430235100
7163005452310510
oct22737410447314
94541815701170
101301310230220
11461978777590
121902521b5a90
13959366a49b0
1446dab5b0140
1523cb3e86830
hex12efc224ecc

1301310230220 has 288 divisors, whose sum is σ = 5299882398720. Its totient is φ = 249601927680.

The previous prime is 1301310230177. The next prime is 1301310230291. The reversal of 1301310230220 is 220320131031.

1301310230220 is a `hidden beast` number, since 1 + 30 + 1 + 310 + 2 + 302 + 20 = 666.

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 = 1301310230193 and 1301310230202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3430960 + ... + 3791319.

It is an arithmetic number, because the mean of its divisors is an integer number (18402369440).

Almost surely, 21301310230220 is an apocalyptic number.

1301310230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301310230220 is an abundant number, since it is smaller than the sum of its proper divisors (3998572168500).

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

1301310230220 is a wasteful number, since it uses less digits than its factorization.

1301310230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222325 (or 7222320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1301310230220 its reverse (220320131031), we get a palindrome (1521630361251).

The spelling of 1301310230220 in words is "one trillion, three hundred one billion, three hundred ten million, two hundred thirty thousand, two hundred twenty".