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275055276571540 = 22573208390443603
BaseRepresentation
bin111110100010100101001100…
…000011011011101110010100
31100001220000202010222201210121
4332202211030003123232110
5242023001201300242130
62412554352154201324
7111636042110664163
oct7642451403335624
91301800663881717
10275055276571540
117a706318a48303
1226a2367b723244
13ba627a804242a
144bcca642593da
1521bec43ed4d7a
hexfa294c0dbb94

275055276571540 has 48 divisors (see below), whose sum is σ = 585809735047488. Its totient is φ = 108462861713664.

The previous prime is 275055276571423. The next prime is 275055276571561. The reversal of 275055276571540 is 45175672550572.

275055276571540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2750552765715402 (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42180622 + ... + 48262981.

It is an arithmetic number, because the mean of its divisors is an integer number (12204369480156).

Almost surely, 2275055276571540 is an apocalyptic number.

275055276571540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275055276571540 is an abundant number, since it is smaller than the sum of its proper divisors (310754458475948).

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

275055276571540 is a wasteful number, since it uses less digits than its factorization.

275055276571540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90445768 (or 90445766 counting only the distinct ones).

The product of its (nonzero) digits is 102900000, while the sum is 61.

The spelling of 275055276571540 in words is "two hundred seventy-five trillion, fifty-five billion, two hundred seventy-six million, five hundred seventy-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2083 4166 8332 10415 20830 41660 152059 304118 608236 760295 1520590 3041180 90443603 180887206 361774412 452218015 904436030 1808872060 6602383019 13204766038 26409532076 33011915095 66023830190 132047660380 188394025049 376788050098 753576100196 941970125245 1883940250490 3767880500980 13752763828577 27505527657154 55011055314308 68763819142885 137527638285770 275055276571540