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11233222420 = 225780237303
BaseRepresentation
bin10100111011000110…
…10101111100010100
31001222212021211020211
422131203111330110
5141001201104140
65054354535204
7545240546410
oct123543257424
931885254224
1011233222420
1148449522a2
122215b97504
1310a0344594
14787c5dd40
1545b2ac2ea
hex29d8d5f14

11233222420 has 24 divisors (see below), whose sum is σ = 26959734144. Its totient is φ = 3851390496.

The previous prime is 11233222393. The next prime is 11233222421. The reversal of 11233222420 is 2422233211.

It is a junction number, because it is equal to n+sod(n) for n = 11233222391 and 11233222400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233222421) 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, 40118512 + ... + 40118791.

It is an arithmetic number, because the mean of its divisors is an integer number (1123322256).

Almost surely, 211233222420 is an apocalyptic number.

11233222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233222420 is an abundant number, since it is smaller than the sum of its proper divisors (15726511724).

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

11233222420 is a wasteful number, since it uses less digits than its factorization.

11233222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80237319 (or 80237317 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11233222420 its reverse (2422233211), we get a palindrome (13655455631).

The spelling of 11233222420 in words is "eleven billion, two hundred thirty-three million, two hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 80237303 160474606 320949212 401186515 561661121 802373030 1123322242 1604746060 2246644484 2808305605 5616611210 11233222420