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10380565955 = 55339171947
BaseRepresentation
bin10011010101011101…
…01101110111000011
3222210102212101110202
421222232231313003
5132224411102310
64434015315415
7515145232454
oct115256556703
928712771422
1010380565955
114447616931
12201851bb6b
13c957b6126
1470690912b
1540b4d33a5
hex26abaddc3

10380565955 has 8 divisors (see below), whose sum is σ = 12691711152. Its totient is φ = 8147764768.

The previous prime is 10380565939. The next prime is 10380565957. The reversal of 10380565955 is 55956508301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10380565955 - 24 = 10380565939 is a prime.

It is a super-2 number, since 2×103805659552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10380565957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19585709 + ... + 19586238.

It is an arithmetic number, because the mean of its divisors is an integer number (1586463894).

Almost surely, 210380565955 is an apocalyptic number.

10380565955 is a deficient number, since it is larger than the sum of its proper divisors (2311145197).

10380565955 is an equidigital number, since it uses as much as digits as its factorization.

10380565955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39172005.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 10380565955 in words is "ten billion, three hundred eighty million, five hundred sixty-five thousand, nine hundred fifty-five".

Divisors: 1 5 53 265 39171947 195859735 2076113191 10380565955