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11233430420 = 2251929561659
BaseRepresentation
bin10100111011001000…
…01000101110010100
31001222212200101120112
422131210020232110
5141001224233140
65054403222152
7545242404002
oct123544105624
931885611515
1011233430420
114844a845a3
122216077958
1310a03b8164
14787cb5a72
1545b2edc65
hex29d908b94

11233430420 has 24 divisors (see below), whose sum is σ = 24831794400. Its totient is φ = 4256878752.

The previous prime is 11233430419. The next prime is 11233430423. The reversal of 11233430420 is 2403433211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233430423) 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, 14780450 + ... + 14781209.

It is an arithmetic number, because the mean of its divisors is an integer number (1034658100).

Almost surely, 211233430420 is an apocalyptic number.

11233430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233430420 is an abundant number, since it is smaller than the sum of its proper divisors (13598363980).

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

11233430420 is a wasteful number, since it uses less digits than its factorization.

11233430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29561687 (or 29561685 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11233430420 its reverse (2403433211), we get a palindrome (13636863631).

The spelling of 11233430420 in words is "eleven billion, two hundred thirty-three million, four hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 29561659 59123318 118246636 147808295 295616590 561671521 591233180 1123343042 2246686084 2808357605 5616715210 11233430420