Search a number
-
+
275055263220 = 22355478380721
BaseRepresentation
bin1000000000010101001…
…00100011110111110100
3222021222002000002211010
410000022210203313310
514001303121410340
6330205244512220
725605061106253
oct4001244436764
9867862002733
10275055263220
11a6717586361
124538354b670
131cc25ba432a
14d45426279a
15724c7a5b80
hex400a923df4

275055263220 has 48 divisors (see below), whose sum is σ = 771562790208. Its totient is φ = 73213969920.

The previous prime is 275055263207. The next prime is 275055263251. The reversal of 275055263220 is 22362550572.

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, 4157541 + ... + 4223180.

It is an arithmetic number, because the mean of its divisors is an integer number (16074224796).

Almost surely, 2275055263220 is an apocalyptic number.

275055263220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275055263220 is an abundant number, since it is smaller than the sum of its proper divisors (496507526988).

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

275055263220 is a wasteful number, since it uses less digits than its factorization.

275055263220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381280 (or 8381278 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 275055263220 in words is "two hundred seventy-five billion, fifty-five million, two hundred sixty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 547 1094 1641 2188 2735 3282 5470 6564 8205 10940 16410 32820 8380721 16761442 25142163 33522884 41903605 50284326 83807210 100568652 125710815 167614420 251421630 502843260 4584254387 9168508774 13752763161 18337017548 22921271935 27505526322 45842543870 55011052644 68763815805 91685087740 137527631610 275055263220