Search a number
-
+
10012031140 = 2252296773229
BaseRepresentation
bin10010101001100001…
…10111100010100100
3221211202101212202011
421110300313202210
5131001034444030
64333252324004
7503051601106
oct112460674244
927752355664
1010012031140
114278592201
121b35013604
13c373406a7
146ad9b5576
153d8e87b2a
hex254c378a4

10012031140 has 48 divisors (see below), whose sum is σ = 21154820400. Its totient is φ = 3980201472.

The previous prime is 10012031093. The next prime is 10012031177. The reversal of 10012031140 is 4113021001.

It can be written as a sum of positive squares in 8 ways, for example, as 1824314944 + 8187716196 = 42712^2 + 90486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10012031140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099046 + ... + 3102274.

It is an arithmetic number, because the mean of its divisors is an integer number (440725425).

Almost surely, 210012031140 is an apocalyptic number.

10012031140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012031140 is an abundant number, since it is smaller than the sum of its proper divisors (11142789260).

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

10012031140 is a wasteful number, since it uses less digits than its factorization.

10012031140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10012031140 its reverse (4113021001), we get a palindrome (14125052141).

The spelling of 10012031140 in words is "ten billion, twelve million, thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 229 458 677 916 1145 1354 2290 2708 3229 3385 4580 6458 6770 12916 13540 16145 32290 64580 155033 310066 620132 739441 775165 1478882 1550330 2186033 2957764 3100660 3697205 4372066 7394410 8744132 10930165 14788820 21860330 43720660 500601557 1001203114 2002406228 2503007785 5006015570 10012031140