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10378515625 = 581632
BaseRepresentation
bin10011010101001101…
…11001010010101001
3222210022000012221121
421222212321102221
5132223400000000
64433503335241
7515121633022
oct115246712251
928708005847
1010378515625
114446446445
1220178b1521
13c95248b0a
14706533c49
1540b22ab1a
hex26a9b94a9

10378515625 has 27 divisors (see below), whose sum is σ = 13053215973. Its totient is φ = 8251875000.

The previous prime is 10378515619. The next prime is 10378515629. The reversal of 10378515625 is 52651587301.

It is a happy number.

The square root of 10378515625 is 101875.

It is a perfect power (a square), and thus also a powerful number.

10378515625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7378981801 + 2999533824 = 85901^2 + 54768^2 .

It is not a de Polignac number, because 10378515625 - 25 = 10378515593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10378515629) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 63671794 + ... + 63671956.

Almost surely, 210378515625 is an apocalyptic number.

10378515625 is the 101875-th square number.

10378515625 is the 50938-th centered octagonal number.

It is an amenable number.

10378515625 is a deficient number, since it is larger than the sum of its proper divisors (2674700348).

10378515625 is an frugal number, since it uses more digits than its factorization.

10378515625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 10378515625 in words is "ten billion, three hundred seventy-eight million, five hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 163 625 815 3125 4075 15625 20375 26569 78125 101875 132845 390625 509375 664225 2546875 3321125 12734375 16605625 63671875 83028125 415140625 2075703125 10378515625