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10220021122 = 28957415849
BaseRepresentation
bin10011000010010100…
…10010010110000010
3222101020202212100211
421201022102112002
5131412311133442
64410042304334
7511155513643
oct114112222602
928336685324
1010220021122
114374a32153
121b927b80aa
13c6b46469c
146cd4776ca
153ec36e617
hex261292582

10220021122 has 8 divisors (see below), whose sum is σ = 15502279500. Its totient is φ = 5052594624.

The previous prime is 10220021107. The next prime is 10220021129. The reversal of 10220021122 is 22112002201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9928328881 + 291692241 = 99641^2 + 17079^2 .

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

It is a super-2 number, since 2×102200211222 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10220021129) 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, 28707747 + ... + 28708102.

Almost surely, 210220021122 is an apocalyptic number.

10220021122 is a deficient number, since it is larger than the sum of its proper divisors (5282258378).

10220021122 is an equidigital number, since it uses as much as digits as its factorization.

10220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57415940.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10220021122 its reverse (22112002201), we get a palindrome (32332023323).

The spelling of 10220021122 in words is "ten billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 89 178 57415849 114831698 5110010561 10220021122