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10438625790 = 2335129129947
BaseRepresentation
bin10011011100011000…
…01100100111111110
3222221111010010121000
421232030030213332
5132334242011130
64443451551130
7516451566225
oct115614144776
928844103530
1010438625790
11447737206a
122033a5b4a6
13ca4833c68
147104ddcbc
15411651260
hex26e30c9fe

10438625790 has 64 divisors (see below), whose sum is σ = 27858827520. Its totient is φ = 2781384480.

The previous prime is 10438625779. The next prime is 10438625801. The reversal of 10438625790 is 9752683401.

10438625790 is a `hidden beast` number, since 10 + 4 + 3 + 8 + 62 + 579 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (10438625779) and next prime (10438625801).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 333597 + ... + 363543.

It is an arithmetic number, because the mean of its divisors is an integer number (435294180).

It is a 1-persistent number, because it is pandigital, but 2⋅10438625790 = 20877251580 is not.

Almost surely, 210438625790 is an apocalyptic number.

10438625790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10438625790 is an abundant number, since it is smaller than the sum of its proper divisors (17420201730).

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

10438625790 is a wasteful number, since it uses less digits than its factorization.

10438625790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254 (or 31248 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 10438625790 in words is "ten billion, four hundred thirty-eight million, six hundred twenty-five thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1291 2582 3873 6455 7746 11619 12910 19365 23238 29947 34857 38730 58095 59894 69714 89841 116190 149735 174285 179682 269523 299470 348570 449205 539046 808569 898410 1347615 1617138 2695230 4042845 8085690 38661577 77323154 115984731 193307885 231969462 347954193 386615770 579923655 695908386 1043862579 1159847310 1739770965 2087725158 3479541930 5219312895 10438625790