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10100244222 = 232561124679
BaseRepresentation
bin10010110100000010…
…10111111011111110
3222001220101120100100
421122001113323332
5131141130303342
64350123141530
7505202442105
oct113201277376
928056346310
1010100244222
114313362a82
121b5a6748a6
13c4c6b8193
146bb5b903c
153e1aaee4c
hex25a057efe

10100244222 has 12 divisors (see below), whose sum is σ = 21883862520. Its totient is φ = 3366748068.

The previous prime is 10100244163. The next prime is 10100244227. The reversal of 10100244222 is 22244200101.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 561124679 = 10100244222 / (1 + 0 + 1 + 0 + 0 + 2 + 4 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 10100244195 and 10100244204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100244227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280562322 + ... + 280562357.

It is an arithmetic number, because the mean of its divisors is an integer number (1823655210).

Almost surely, 210100244222 is an apocalyptic number.

10100244222 is an abundant number, since it is smaller than the sum of its proper divisors (11783618298).

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

10100244222 is a wasteful number, since it uses less digits than its factorization.

10100244222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561124687 (or 561124684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10100244222 its reverse (22244200101), we get a palindrome (32344444323).

The spelling of 10100244222 in words is "ten billion, one hundred million, two hundred forty-four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 561124679 1122249358 1683374037 3366748074 5050122111 10100244222