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145683908268 = 22317370175293
BaseRepresentation
bin1000011110101101110…
…0000000011010101100
3111221000221222100002020
42013223130000122230
54341330040031033
6150532023430140
713345116534303
oct2075334003254
9457027870066
10145683908268
115686984a598
12242992b5350
1310979317722
1470a047943a
153bc9c1c6b3
hex21eb7006ac

145683908268 has 24 divisors (see below), whose sum is σ = 341894032368. Its totient is φ = 48280600896.

The previous prime is 145683908257. The next prime is 145683908327. The reversal of 145683908268 is 862809386541.

It is a super-2 number, since 2×1456839082682 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35085571 + ... + 35089722.

It is an arithmetic number, because the mean of its divisors is an integer number (14245584682).

Almost surely, 2145683908268 is an apocalyptic number.

It is an amenable number.

145683908268 is an abundant number, since it is smaller than the sum of its proper divisors (196210124100).

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

145683908268 is a wasteful number, since it uses less digits than its factorization.

145683908268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70175473 (or 70175471 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 145683908268 in words is "one hundred forty-five billion, six hundred eighty-three million, nine hundred eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 70175293 140350586 210525879 280701172 421051758 842103516 12140325689 24280651378 36420977067 48561302756 72841954134 145683908268