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5120783450 = 252131781799
BaseRepresentation
bin1001100010011100…
…01111010001011010
3111012212122202022022
410301032033101122
540441410032300
62204044054442
7240616640546
oct46116172132
914185582268
105120783450
112198604442
12baab34422
13637b9b2a3
14368142a26
151ee864285
hex13138f45a

5120783450 has 24 divisors (see below), whose sum is σ = 9597376800. Its totient is φ = 2032674800.

The previous prime is 5120783449. The next prime is 5120783467. The reversal of 5120783450 is 543870215.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5120783450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384350 + ... + 397449.

It is an arithmetic number, because the mean of its divisors is an integer number (399890700).

Almost surely, 25120783450 is an apocalyptic number.

5120783450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5120783450 is a deficient number, since it is larger than the sum of its proper divisors (4476593350).

5120783450 is a wasteful number, since it uses less digits than its factorization.

5120783450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781942 (or 781937 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5120783450 is about 71559.6495938878. The cubic root of 5120783450 is about 1723.6356585762.

The spelling of 5120783450 in words is "five billion, one hundred twenty million, seven hundred eighty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 131 262 655 1310 3275 6550 781799 1563598 3908995 7817990 19544975 39089950 102415669 204831338 512078345 1024156690 2560391725 5120783450