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245575053287340 = 22357695984021053
BaseRepresentation
bin110111110101100101100101…
…110100010001111110101100
31012012111202010200212221110120
4313311211211310101332230
5224142000202120143330
62230143342210004540
7102504132515416020
oct6765454564217654
91165452120787416
10245575053287340
117127a8824a7a77
1223662110576750
13a7048220ab35a
14448dc78894380
151d5ce861a1c10
hexdf5965d11fac

245575053287340 has 96 divisors (see below), whose sum is σ = 785953104168960. Its totient is φ = 56123374062336.

The previous prime is 245575053287339. The next prime is 245575053287441. The reversal of 245575053287340 is 43782350575542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39087747 + ... + 44933306.

It is an arithmetic number, because the mean of its divisors is an integer number (8187011501760).

Almost surely, 2245575053287340 is an apocalyptic number.

245575053287340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245575053287340 is an abundant number, since it is smaller than the sum of its proper divisors (540378050881620).

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

245575053287340 is a wasteful number, since it uses less digits than its factorization.

245575053287340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84028031 (or 84028029 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 60.

The spelling of 245575053287340 in words is "two hundred forty-five trillion, five hundred seventy-five billion, fifty-three million, two hundred eighty-seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 6959 13918 20877 27836 34795 41754 48713 69590 83508 97426 104385 139180 146139 194852 208770 243565 292278 417540 487130 584556 730695 974260 1461390 2922780 84021053 168042106 252063159 336084212 420105265 504126318 588147371 840210530 1008252636 1176294742 1260315795 1680421060 1764442113 2352589484 2520631590 2940736855 3528884226 5041263180 5881473710 7057768452 8822210565 11762947420 17644421130 35288842260 584702507827 1169405015654 1754107523481 2338810031308 2923512539135 3508215046962 4092917554789 5847025078270 7016430093924 8185835109578 8770537617405 11694050156540 12278752664367 16371670219156 17541075234810 20464587773945 24557505328734 35082150469620 40929175547890 49115010657468 61393763321835 81858351095780 122787526643670 245575053287340