Search a number
-
+
10856941540 = 2251731932181
BaseRepresentation
bin10100001110001111…
…11100011111100100
31001000122020202220221
422013013330133210
5134213334112130
64553153534124
7533021323534
oct120707743744
931018222827
1010856941540
114671507965
12212bb74344
1310403b9183
1474dcb14c4
1543823187a
hex2871fc7e4

10856941540 has 24 divisors (see below), whose sum is σ = 24140729592. Its totient is φ = 4087319040.

The previous prime is 10856941517. The next prime is 10856941547. The reversal of 10856941540 is 4514965801.

It can be written as a sum of positive squares in 4 ways, for example, as 84162276 + 10772779264 = 9174^2 + 103792^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10856941547) 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 7 ways as a sum of consecutive naturals, for example, 15965751 + ... + 15966430.

It is an arithmetic number, because the mean of its divisors is an integer number (1005863733).

Almost surely, 210856941540 is an apocalyptic number.

10856941540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10856941540 is an abundant number, since it is smaller than the sum of its proper divisors (13283788052).

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

10856941540 is a wasteful number, since it uses less digits than its factorization.

10856941540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31932207 (or 31932205 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 10856941540 in words is "ten billion, eight hundred fifty-six million, nine hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 31932181 63864362 127728724 159660905 319321810 542847077 638643620 1085694154 2171388308 2714235385 5428470770 10856941540