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10223100444 = 22323371001087
BaseRepresentation
bin10011000010101100…
…00010001000011100
3222101110120022101210
421201112002020130
5131414103203234
64410232304420
7511223630364
oct114126021034
928343508353
1010223100444
114376745747
121b93842110
13c6bca217b
146cda399a4
153ec77bbe9
hex26158221c

10223100444 has 48 divisors (see below), whose sum is σ = 25563783168. Its totient is φ = 3171440448.

The previous prime is 10223100413. The next prime is 10223100469. The reversal of 10223100444 is 44400132201.

It is a super-2 number, since 2×102231004442 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10223100444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490332 + ... + 510755.

It is an arithmetic number, because the mean of its divisors is an integer number (532578816).

Almost surely, 210223100444 is an apocalyptic number.

It is an amenable number.

10223100444 is an abundant number, since it is smaller than the sum of its proper divisors (15340682724).

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

10223100444 is a wasteful number, since it uses less digits than its factorization.

10223100444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001154 (or 1001152 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10223100444 its reverse (44400132201), we get a palindrome (54623232645).

The spelling of 10223100444 in words is "ten billion, two hundred twenty-three million, one hundred thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 23 37 46 69 74 92 111 138 148 222 276 444 851 1702 2553 3404 5106 10212 1001087 2002174 3003261 4004348 6006522 12013044 23025001 37040219 46050002 69075003 74080438 92100004 111120657 138150006 148160876 222241314 276300012 444482628 851925037 1703850074 2555775111 3407700148 5111550222 10223100444