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5071631540 = 225253581577
BaseRepresentation
bin1001011100100101…
…01111010010110100
3111002110011120120012
410232102233102310
540341314202130
62155130355352
7236452104533
oct45622572264
914073146505
105071631540
112172892928
12b9658bb58
1362a94bc11
143617ca31a
151ea3a5995
hex12e4af4b4

5071631540 has 12 divisors (see below), whose sum is σ = 10650426276. Its totient is φ = 2028652608.

The previous prime is 5071631507. The next prime is 5071631549. The reversal of 5071631540 is 451361705.

It can be written as a sum of positive squares in 2 ways, for example, as 739622416 + 4332009124 = 27196^2 + 65818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5071631497 and 5071631506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5071631549) 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 3 ways as a sum of consecutive naturals, for example, 126790769 + ... + 126790808.

It is an arithmetic number, because the mean of its divisors is an integer number (887535523).

Almost surely, 25071631540 is an apocalyptic number.

It is an amenable number.

5071631540 is an abundant number, since it is smaller than the sum of its proper divisors (5578794736).

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

5071631540 is a wasteful number, since it uses less digits than its factorization.

5071631540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253581586 (or 253581584 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5071631540 is about 71215.3883651560. The cubic root of 5071631540 is about 1718.1031391661.

It can be divided in two parts, 50 and 71631540, that multiplied together give a cube (3581577000 = 15303).

The spelling of 5071631540 in words is "five billion, seventy-one million, six hundred thirty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 253581577 507163154 1014326308 1267907885 2535815770 5071631540