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2501011533140 = 225193647930449
BaseRepresentation
bin100100011001001111111…
…001110110110101010100
322212002112210102202210222
4210121033321312311110
5311434032423030030
65152540540533512
7345456253161551
oct44311771666524
98762483382728
102501011533140
1188474489a08a
12344867851298
13151ac9129963
148909a183a28
15450cc81e3e5
hex2464fe76d54

2501011533140 has 24 divisors (see below), whose sum is σ = 5279337306600. Its totient is φ = 995221168128.

The previous prime is 2501011533091. The next prime is 2501011533151. The reversal of 2501011533140 is 413351101052.

It can be written as a sum of positive squares in 4 ways, for example, as 21104836 + 2500990428304 = 4594^2 + 1581452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323961365 + ... + 323969084.

It is an arithmetic number, because the mean of its divisors is an integer number (219972387775).

Almost surely, 22501011533140 is an apocalyptic number.

2501011533140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501011533140 is an abundant number, since it is smaller than the sum of its proper divisors (2778325773460).

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

2501011533140 is a wasteful number, since it uses less digits than its factorization.

2501011533140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647930651 (or 647930649 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 2501011533140 its reverse (413351101052), we get a palindrome (2914362634192).

The spelling of 2501011533140 in words is "two trillion, five hundred one billion, eleven million, five hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 647930449 1295860898 2591721796 3239652245 6479304490 12958608980 125050576657 250101153314 500202306628 625252883285 1250505766570 2501011533140