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220213001131 = 1955911258909
BaseRepresentation
bin1100110100010110110…
…1111011101110101011
3210001102000121112100221
43031011231323232223
512101444012014011
6245055304510511
721624040424314
oct3150555735653
9701360545327
10220213001131
1185434553112
1236818a7b437
13179c5b83986
14a9307b160b
155adcc66971
hex3345b7bbab

220213001131 has 4 divisors (see below), whose sum is σ = 220224279600. Its totient is φ = 220201722664.

The previous prime is 220213001089. The next prime is 220213001159. The reversal of 220213001131 is 131100312022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220213001131 is a prime.

It is a super-2 number, since 2×2202130011312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220213001161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609896 + ... + 5649013.

It is an arithmetic number, because the mean of its divisors is an integer number (55056069900).

Almost surely, 2220213001131 is an apocalyptic number.

220213001131 is a deficient number, since it is larger than the sum of its proper divisors (11278469).

220213001131 is a wasteful number, since it uses less digits than its factorization.

220213001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278468.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220213001131 its reverse (131100312022), we get a palindrome (351313313153).

The spelling of 220213001131 in words is "two hundred twenty billion, two hundred thirteen million, one thousand, one hundred thirty-one".

Divisors: 1 19559 11258909 220213001131