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1012223011 = 2516616101
BaseRepresentation
bin111100010101010…
…100110000100011
32121112200020221011
4330111110300203
54033112114021
6244235241351
734040516332
oct7425246043
92545606834
101012223011
1147a412148
12242ba9257
13131929837
149860dd19
155dce7de1
hex3c554c23

1012223011 has 8 divisors (see below), whose sum is σ = 1017960048. Its totient is φ = 1006500000.

The previous prime is 1012222963. The next prime is 1012223021. The reversal of 1012223011 is 1103222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012223011 is a prime.

It is a super-2 number, since 2×10122230112 = 2049190847995812242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012222982 and 1012223000.

It is not an unprimeable number, because it can be changed into a prime (1012223021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162861 + ... + 168961.

It is an arithmetic number, because the mean of its divisors is an integer number (127245006).

Almost surely, 21012223011 is an apocalyptic number.

1012223011 is a deficient number, since it is larger than the sum of its proper divisors (5737037).

1012223011 is an equidigital number, since it uses as much as digits as its factorization.

1012223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1012223011 is about 31815.4523934518. The cubic root of 1012223011 is about 1004.0578485924.

Adding to 1012223011 its reverse (1103222101), we get a palindrome (2115445112).

It can be divided in two parts, 10122 and 23011, that added together give a palindrome (33133).

The spelling of 1012223011 in words is "one billion, twelve million, two hundred twenty-three thousand, eleven".

Divisors: 1 251 661 6101 165911 1531351 4032761 1012223011