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49923078408 = 2333733017909
BaseRepresentation
bin101110011111101001…
…011011100100001000
311202212020002011001000
4232133221123210020
51304220302002113
634533452455000
73415066110360
oct563751334410
9152766064030
1049923078408
111a199304795
12981317a460
134927b498a8
1425b84299a0
151472c4d373
hexb9fa5b908

49923078408 has 64 divisors (see below), whose sum is σ = 158485968000. Its totient is φ = 14263736256.

The previous prime is 49923078383. The next prime is 49923078449. The reversal of 49923078408 is 80487032994.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16507443 + ... + 16510466.

It is an arithmetic number, because the mean of its divisors is an integer number (2476343250).

Almost surely, 249923078408 is an apocalyptic number.

It is an amenable number.

49923078408 is an abundant number, since it is smaller than the sum of its proper divisors (108562889592).

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

49923078408 is a wasteful number, since it uses less digits than its factorization.

49923078408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33017931 (or 33017921 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 49923078408 in words is "forty-nine billion, nine hundred twenty-three million, seventy-eight thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 33017909 66035818 99053727 132071636 198107454 231125363 264143272 297161181 396214908 462250726 594322362 693376089 792429816 891483543 924501452 1188644724 1386752178 1782967086 1849002904 2080128267 2377289448 2773504356 3565934172 4160256534 5547008712 6240384801 7131868344 8320513068 12480769602 16641026136 24961539204 49923078408