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11421086228 = 227339113309
BaseRepresentation
bin10101010001011111…
…11111001000010100
31002110221210021221122
422220233333020110
5141342244224403
65125145303112
7553011426326
oct125057771024
932427707848
1011421086228
1149309a6142
122268a94a98
13110023c8b6
147a4ba3616
1546ca1a838
hex2a8bff214

11421086228 has 12 divisors (see below), whose sum is σ = 20260694580. Its totient is φ = 5632316352.

The previous prime is 11421086213. The next prime is 11421086249. The reversal of 11421086228 is 82268012411.

It can be written as a sum of positive squares in 2 ways, for example, as 4136805124 + 7284281104 = 64318^2 + 85348^2 .

It is a super-2 number, since 2×114210862282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19556363 + ... + 19556946.

It is an arithmetic number, because the mean of its divisors is an integer number (1688391215).

Almost surely, 211421086228 is an apocalyptic number.

It is an amenable number.

11421086228 is a deficient number, since it is larger than the sum of its proper divisors (8839608352).

11421086228 is a wasteful number, since it uses less digits than its factorization.

11421086228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39113386 (or 39113384 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

Adding to 11421086228 its reverse (82268012411), we get a palindrome (93689098639).

The spelling of 11421086228 in words is "eleven billion, four hundred twenty-one million, eighty-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 73 146 292 39113309 78226618 156453236 2855271557 5710543114 11421086228