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145244104121320 = 23512729399728261
BaseRepresentation
bin100001000001100101000111…
…001110110101101111101000
3201001021012102100022212001121
4201001211013032311233220
5123014134411123340240
61232524115330025024
742410353204611301
oct4101450716655750
9631235370285047
10145244104121320
11423087512a8046
1214359344718174
1363075ca222429
1427c1bd041b7a8
1511bd1ec10a04a
hex8419473b5be8

145244104121320 has 64 divisors (see below), whose sum is σ = 329484560025600. Its totient is φ = 57620561806080.

The previous prime is 145244104121287. The next prime is 145244104121377. The reversal of 145244104121320 is 23121401442541.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10065990 + ... + 19794250.

It is an arithmetic number, because the mean of its divisors is an integer number (5148196250400).

Almost surely, 2145244104121320 is an apocalyptic number.

145244104121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145244104121320 is an abundant number, since it is smaller than the sum of its proper divisors (184240455904280).

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

145244104121320 is a wasteful number, since it uses less digits than its factorization.

145244104121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731338 (or 9731334 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 145244104121320 its reverse (23121401442541), we get a palindrome (168365505563861).

The spelling of 145244104121320 in words is "one hundred forty-five trillion, two hundred forty-four billion, one hundred four million, one hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 2939 5080 5878 11756 14695 23512 29390 58780 117560 373253 746506 1493012 1866265 2986024 3732530 7465060 9728261 14930120 19456522 38913044 48641305 77826088 97282610 194565220 389130440 1235489147 2470978294 4941956588 6177445735 9883913176 12354891470 24709782940 28591359079 49419565880 57182718158 114365436316 142956795395 228730872632 285913590790 571827181580 1143654363160 3631102603033 7262205206066 14524410412132 18155513015165 29048820824264 36311026030330 72622052060660 145244104121320