Search a number
-
+
10185004788 = 2237385331469
BaseRepresentation
bin10010111110001001…
…01101011011110100
3222021210212211222120
421133010231123310
5131324330123123
64402351555540
7510252053340
oct113704553364
928253784876
1010185004788
114357195932
121b82b2bbb0
13c6412436a
146c8960620
153e92542e3
hex25f12d6f4

10185004788 has 48 divisors (see below), whose sum is σ = 27167925120. Its totient is φ = 2909153664.

The previous prime is 10185004787. The next prime is 10185004789. The reversal of 10185004788 is 88740058101.

It is an interprime number because it is at equal distance from previous prime (10185004787) and next prime (10185004789).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10185004787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 307918 + ... + 339386.

It is an arithmetic number, because the mean of its divisors is an integer number (565998440).

Almost surely, 210185004788 is an apocalyptic number.

It is an amenable number.

10185004788 is an abundant number, since it is smaller than the sum of its proper divisors (16982920332).

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

10185004788 is a wasteful number, since it uses less digits than its factorization.

10185004788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35336 (or 35334 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 10185004788 in words is "ten billion, one hundred eighty-five million, four thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3853 7706 11559 15412 23118 26971 31469 46236 53942 62938 80913 94407 107884 125876 161826 188814 220283 323652 377628 440566 660849 881132 1321698 2643396 121250057 242500114 363750171 485000228 727500342 848750399 1455000684 1697500798 2546251197 3395001596 5092502394 10185004788