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245553542544220 = 225731237376136151
BaseRepresentation
bin110111110101010001100011…
…101011010011101101011100
31012012102200121120121222020221
4313311101203223103231130
5224141122123342403340
62230125423512051124
7102502441460211151
oct6765214353235534
91165380546558227
10245553542544220
1171271744220319
1223659b08693aa4
13a7027a471c5a1
14448cbd7ab0228
151d5c6279b844a
hexdf5463ad3b5c

245553542544220 has 96 divisors (see below), whose sum is σ = 523302457620096. Its totient is φ = 96769188864000.

The previous prime is 245553542544173. The next prime is 245553542544239. The reversal of 245553542544220 is 22445245355542.

It is a congruent number.

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, 6792423145 + ... + 6792459295.

It is an arithmetic number, because the mean of its divisors is an integer number (5451067266876).

Almost surely, 2245553542544220 is an apocalyptic number.

245553542544220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245553542544220 is an abundant number, since it is smaller than the sum of its proper divisors (277748915075876).

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

245553542544220 is a wasteful number, since it uses less digits than its factorization.

245553542544220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41231 (or 41229 counting only the distinct ones).

The product of its (nonzero) digits is 38400000, while the sum is 52.

Adding to 245553542544220 its reverse (22445245355542), we get a palindrome (267998787899762).

The spelling of 245553542544220 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred forty-two million, five hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1237 1460 2474 3761 4948 6185 7522 12370 15044 18805 24740 36151 37610 72302 75220 90301 144604 180602 180755 274553 361204 361510 451505 549106 723020 903010 1098212 1372765 1806020 2639023 2745530 4652357 5278046 5491060 9304714 10556092 13195115 18609428 23261785 26390230 44718787 46523570 52780460 89437574 93047140 135963911 178875148 223593935 271927822 339622061 447187870 543855644 679244122 679819555 894375740 1358488244 1359639110 1698110305 2719278220 3264471451 3396220610 6528942902 6792441220 9925365503 13057885804 16322357255 19850731006 32644714510 39701462012 49626827515 65289429020 99253655030 168187357907 198507310060 336374715814 672749431628 840936789535 1681873579070 3363747158140 12277677127211 24555354254422 49110708508844 61388385636055 122776771272110 245553542544220