Search a number
-
+
63970925390 = 2519336689081
BaseRepresentation
bin111011100100111101…
…101101101101001110
320010010020120201022222
4323210331231231032
52022003024103030
645215434535342
74423154615441
oct734475555516
9203106521288
1063970925390
1125147a13089
1210493897552
13605633bb98
14314bdd9658
1519e61833e5
hexee4f6db4e

63970925390 has 16 divisors (see below), whose sum is σ = 121208069520. Its totient is φ = 24241613760.

The previous prime is 63970925383. The next prime is 63970925419. The reversal of 63970925390 is 9352907936.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168344351 + ... + 168344730.

It is an arithmetic number, because the mean of its divisors is an integer number (7575504345).

Almost surely, 263970925390 is an apocalyptic number.

63970925390 is a deficient number, since it is larger than the sum of its proper divisors (57237144130).

63970925390 is a wasteful number, since it uses less digits than its factorization.

63970925390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336689107.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 63970925390 in words is "sixty-three billion, nine hundred seventy million, nine hundred twenty-five thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 336689081 673378162 1683445405 3366890810 6397092539 12794185078 31985462695 63970925390