Search a number
-
+
453950863490 = 251719140542063
BaseRepresentation
bin1101001101100011001…
…01000111100010000010
31121101201121122012110002
412212301211013202002
524414142410112430
6544313034240002
744540216450135
oct6466145074202
91541647565402
10453950863490
11165579478693
1273b8b286002
1333a65a873c7
1417d854d621c
15bc1d059845
hex69b1947882

453950863490 has 32 divisors (see below), whose sum is σ = 910712574720. Its totient is φ = 161904455424.

The previous prime is 453950863481. The next prime is 453950863501. The reversal of 453950863490 is 94368059354.

It is a happy number.

It is a super-2 number, since 2×4539508634902 (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 70267802 + ... + 70274261.

It is an arithmetic number, because the mean of its divisors is an integer number (28459767960).

Almost surely, 2453950863490 is an apocalyptic number.

453950863490 is an abundant number, since it is smaller than the sum of its proper divisors (456761711230).

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

453950863490 is a wasteful number, since it uses less digits than its factorization.

453950863490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140542106.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 453950863490 in words is "four hundred fifty-three billion, nine hundred fifty million, eight hundred sixty-three thousand, four hundred ninety".

Divisors: 1 2 5 10 17 19 34 38 85 95 170 190 323 646 1615 3230 140542063 281084126 702710315 1405420630 2389215071 2670299197 4778430142 5340598394 11946075355 13351495985 23892150710 26702991970 45395086349 90790172698 226975431745 453950863490