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25712630034040 = 2355519116473229
BaseRepresentation
bin1011101100010101100000…
…01011011110111001111000
310101001002210101201020101101
411312022300023132321320
511332233431242042130
6130404115201301144
75262450641103205
oct566126013367170
9111032711636341
1025712630034040
118213735366754
122a733439347b4
1311468c935c951
1464c6d848acac
152e8ca03821ca
hex1762b02dee78

25712630034040 has 32 divisors (see below), whose sum is σ = 57863900664000. Its totient is φ = 10283188353664.

The previous prime is 25712630033953. The next prime is 25712630034109. The reversal of 25712630034040 is 4043003621752.

It is a super-2 number, since 2×257126300340402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58015855 + ... + 58457374.

It is an arithmetic number, because the mean of its divisors is an integer number (1808246895750).

Almost surely, 225712630034040 is an apocalyptic number.

25712630034040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25712630034040 is an abundant number, since it is smaller than the sum of its proper divisors (32151270629960).

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

25712630034040 is a wasteful number, since it uses less digits than its factorization.

25712630034040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116478759 (or 116478755 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 25712630034040 its reverse (4043003621752), we get a palindrome (29755633655792).

The spelling of 25712630034040 in words is "twenty-five trillion, seven hundred twelve billion, six hundred thirty million, thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 5519 11038 22076 27595 44152 55190 110380 220760 116473229 232946458 465892916 582366145 931785832 1164732290 2329464580 4658929160 642815750851 1285631501702 2571263003404 3214078754255 5142526006808 6428157508510 12856315017020 25712630034040