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11321400140 = 225717972817
BaseRepresentation
bin10101000101100111…
…01101101101001100
31002020000012201100022
422202303231231030
5141141234301030
65111224521312
7550361212331
oct124263555514
932200181308
1011321400140
11488a6a9546
12223b620238
1310b56a8c4b
14795854988
15463dc8de5
hex2a2cedb4c

11321400140 has 24 divisors (see below), whose sum is σ = 24109801632. Its totient is φ = 4464776960.

The previous prime is 11321400089. The next prime is 11321400157. The reversal of 11321400140 is 4100412311.

It is a happy number.

It is a super-3 number, since 3×113214001403 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984989 + ... + 3987828.

It is an arithmetic number, because the mean of its divisors is an integer number (1004575068).

Almost surely, 211321400140 is an apocalyptic number.

11321400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321400140 is an abundant number, since it is smaller than the sum of its proper divisors (12788401492).

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

11321400140 is a wasteful number, since it uses less digits than its factorization.

11321400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972897 (or 7972895 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11321400140 its reverse (4100412311), we get a palindrome (15421812451).

The spelling of 11321400140 in words is "eleven billion, three hundred twenty-one million, four hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 7972817 15945634 31891268 39864085 79728170 159456340 566070007 1132140014 2264280028 2830350035 5660700070 11321400140