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64952425946 = 21719100545551
BaseRepresentation
bin111100011111011101…
…110101110111011010
320012122122110002222102
4330133131311313122
52031010310112241
645501055523402
74456403340212
oct743735656732
9205578402872
1064952425946
1125600a50a71
1210708529562
13618179c945
1432024cd242
151a5240d39b
hexf1f775dda

64952425946 has 16 divisors (see below), whose sum is σ = 108589196160. Its totient is φ = 28957118400.

The previous prime is 64952425943. The next prime is 64952425961.

64952425946 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×649524259462 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64952425891 and 64952425900.

It is not an unprimeable number, because it can be changed into a prime (64952425943) 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, 50272130 + ... + 50273421.

It is an arithmetic number, because the mean of its divisors is an integer number (6786824760).

Almost surely, 264952425946 is an apocalyptic number.

64952425946 is a deficient number, since it is larger than the sum of its proper divisors (43636770214).

64952425946 is a wasteful number, since it uses less digits than its factorization.

64952425946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100545589.

The product of its digits is 18662400, while the sum is 56.

The spelling of 64952425946 in words is "sixty-four billion, nine hundred fifty-two million, four hundred twenty-five thousand, nine hundred forty-six".

Divisors: 1 2 17 19 34 38 323 646 100545551 201091102 1709274367 1910365469 3418548734 3820730938 32476212973 64952425946