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272989267540 = 225111240860307
BaseRepresentation
bin1111111000111101101…
…1011010011001010100
3222002122002110122112121
43332033123122121110
513433040223030130
6325224243225324
725502633326243
oct3761733323124
9862562418477
10272989267540
11a5857363210
1244aa7678244
131c986b60c92
14d2d9b0895a
15717b208d7a
hex3f8f6da654

272989267540 has 24 divisors (see below), whose sum is σ = 625393595232. Its totient is φ = 99268824480.

The previous prime is 272989267513. The next prime is 272989267543. The reversal of 272989267540 is 45762989272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272989267543) by changing a digit.

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, 620429934 + ... + 620430373.

It is an arithmetic number, because the mean of its divisors is an integer number (26058066468).

Almost surely, 2272989267540 is an apocalyptic number.

272989267540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272989267540 is an abundant number, since it is smaller than the sum of its proper divisors (352404327692).

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

272989267540 is a wasteful number, since it uses less digits than its factorization.

272989267540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240860327 (or 1240860325 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 272989267540 in words is "two hundred seventy-two billion, nine hundred eighty-nine million, two hundred sixty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1240860307 2481720614 4963441228 6204301535 12408603070 13649463377 24817206140 27298926754 54597853508 68247316885 136494633770 272989267540