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11227947468 = 2231516196439
BaseRepresentation
bin10100111010011110…
…01110000111001100
31001222111100211101020
422131033032013030
5140443323304333
65054045514140
7545144656503
oct123517160714
931874324336
1011227947468
11484197a131
122214272950
13109c2185ca
1478728983a
1545aab93b3
hex29d3ce1cc

11227947468 has 24 divisors (see below), whose sum is σ = 26372048640. Its totient is φ = 3717862800.

The previous prime is 11227947461. The next prime is 11227947481. The reversal of 11227947468 is 86474972211.

It is a super-2 number, since 2×112279474682 (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 11227947468.

It is not an unprimeable number, because it can be changed into a prime (11227947461) 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, 3096408 + ... + 3100031.

It is an arithmetic number, because the mean of its divisors is an integer number (1098835360).

Almost surely, 211227947468 is an apocalyptic number.

It is an amenable number.

11227947468 is an abundant number, since it is smaller than the sum of its proper divisors (15144101172).

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

11227947468 is a wasteful number, since it uses less digits than its factorization.

11227947468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196597 (or 6196595 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The spelling of 11227947468 in words is "eleven billion, two hundred twenty-seven million, nine hundred forty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 6196439 12392878 18589317 24785756 37178634 74357268 935662289 1871324578 2806986867 3742649156 5613973734 11227947468