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2642506628140 = 225132125331407
BaseRepresentation
bin100110011101000001101…
…010110011110000101100
3100100121202211102100100001
4212131001222303300230
5321243323144100030
65341541211514044
7361625530506451
oct46350152636054
910317684370301
102642506628140
11929754113225
12368176158924
13162258684442
1491c80199828
1548b0e91bcca
hex26741ab3c2c

2642506628140 has 12 divisors (see below), whose sum is σ = 5549263919136. Its totient is φ = 1057002651248.

The previous prime is 2642506628071. The next prime is 2642506628141. The reversal of 2642506628140 is 418266052462.

It is not an unprimeable number, because it can be changed into a prime (2642506628141) 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, 66062665684 + ... + 66062665723.

It is an arithmetic number, because the mean of its divisors is an integer number (462438659928).

Almost surely, 22642506628140 is an apocalyptic number.

2642506628140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642506628140 is an abundant number, since it is smaller than the sum of its proper divisors (2906757290996).

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

2642506628140 is a wasteful number, since it uses less digits than its factorization.

2642506628140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132125331416 (or 132125331414 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 2642506628140 in words is "two trillion, six hundred forty-two billion, five hundred six million, six hundred twenty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 132125331407 264250662814 528501325628 660626657035 1321253314070 2642506628140