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131001102222 = 2328817757661
BaseRepresentation
bin111101000000001000…
…1100010111110001110
3110112010200200111200220
41322000101202332032
54121242240232342
6140103040132210
712315220665504
oct1720021427616
9415120614626
10131001102222
1150614786041
1221480007066
13c479409603
1464aa422674
15361abb15ec
hex1e80462f8e

131001102222 has 16 divisors (see below), whose sum is σ = 262011642192. Its totient is φ = 43665461120.

The previous prime is 131001102203. The next prime is 131001102257. The reversal of 131001102222 is 222201100131.

It is a super-2 number, since 2×1310011022222 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 205929 + ... + 551732.

It is an arithmetic number, because the mean of its divisors is an integer number (16375727637).

Almost surely, 2131001102222 is an apocalyptic number.

131001102222 is an abundant number, since it is smaller than the sum of its proper divisors (131010539970).

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

131001102222 is a wasteful number, since it uses less digits than its factorization.

131001102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786483.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131001102222 its reverse (222201100131), we get a palindrome (353202202353).

The spelling of 131001102222 in words is "one hundred thirty-one billion, one million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 28817 57634 86451 172902 757661 1515322 2272983 4545966 21833517037 43667034074 65500551111 131001102222