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5122010420 = 225256100521
BaseRepresentation
bin1001100010100101…
…11010110100110100
3111012221222002101122
410301102322310310
540442213313140
62204130243112
7240633240662
oct46122726464
914187862348
105122010420
11219927226a
12bab426498
1363820a8c7
14368381c32
151eea07ab5
hex1314bad34

5122010420 has 12 divisors (see below), whose sum is σ = 10756221924. Its totient is φ = 2048804160.

The previous prime is 5122010419. The next prime is 5122010423. The reversal of 5122010420 is 240102215.

It can be written as a sum of positive squares in 2 ways, for example, as 611276176 + 4510734244 = 24724^2 + 67162^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122010423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128050241 + ... + 128050280.

It is an arithmetic number, because the mean of its divisors is an integer number (896351827).

Almost surely, 25122010420 is an apocalyptic number.

It is an amenable number.

5122010420 is an abundant number, since it is smaller than the sum of its proper divisors (5634211504).

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

5122010420 is a wasteful number, since it uses less digits than its factorization.

5122010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256100530 (or 256100528 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5122010420 is about 71568.2221380411. Note that the first 3 decimals coincide. The cubic root of 5122010420 is about 1723.7733120151.

Adding to 5122010420 its reverse (240102215), we get a palindrome (5362112635).

The spelling of 5122010420 in words is "five billion, one hundred twenty-two million, ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 256100521 512201042 1024402084 1280502605 2561005210 5122010420