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11524363940 = 2252919869593
BaseRepresentation
bin10101011101110011…
…11101011010100100
31002202011010100100002
422232321331122210
5142100214121230
65143315040432
7555404322455
oct125671753244
932664110302
1011524363940
114984226221
1222975a0118
13111876027b
147b47a912c
15476b1b545
hex2aee7d6a4

11524363940 has 24 divisors (see below), whose sum is σ = 25035688440. Its totient is φ = 4450788608.

The previous prime is 11524363919. The next prime is 11524363943. The reversal of 11524363940 is 4936342511.

It can be written as a sum of positive squares in 4 ways, for example, as 536292964 + 10988070976 = 23158^2 + 104824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11524363894 and 11524363903.

It is not an unprimeable number, because it can be changed into a prime (11524363943) 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, 9934217 + ... + 9935376.

It is an arithmetic number, because the mean of its divisors is an integer number (1043153685).

Almost surely, 211524363940 is an apocalyptic number.

11524363940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11524363940 is an abundant number, since it is smaller than the sum of its proper divisors (13511324500).

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

11524363940 is a wasteful number, since it uses less digits than its factorization.

11524363940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19869631 (or 19869629 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 11524363940 in words is "eleven billion, five hundred twenty-four million, three hundred sixty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 19869593 39739186 79478372 99347965 198695930 397391860 576218197 1152436394 2304872788 2881090985 5762181970 11524363940