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11862965140 = 225133269981
BaseRepresentation
bin10110000110001011…
…00111101110010100
31010121202021001212021
423003011213232110
5143243404341030
65241052302524
7566655353125
oct130305475624
933552231767
1011862965140
115038375324
122370a71a44
131170955000
1480774a04c
1549670297a
hex2c3167b94

11862965140 has 48 divisors (see below), whose sum is σ = 26987400720. Its totient is φ = 4380155520.

The previous prime is 11862965137. The next prime is 11862965141. The reversal of 11862965140 is 4156926811.

11862965140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8293380624 + 3569584516 = 91068^2 + 59746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11862965141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91051 + ... + 178930.

It is an arithmetic number, because the mean of its divisors is an integer number (562237515).

Almost surely, 211862965140 is an apocalyptic number.

11862965140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11862965140 is an abundant number, since it is smaller than the sum of its proper divisors (15124435580).

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

11862965140 is a wasteful number, since it uses less digits than its factorization.

11862965140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270029 (or 270001 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11862965140 in words is "eleven billion, eight hundred sixty-two million, nine hundred sixty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 2197 3380 4394 8788 10985 21970 43940 269981 539962 1079924 1349905 2699810 3509753 5399620 7019506 14039012 17548765 35097530 45626789 70195060 91253578 182507156 228133945 456267890 593148257 912535780 1186296514 2372593028 2965741285 5931482570 11862965140