Search a number
-
+
10571050728 = 2332720974307
BaseRepresentation
bin10011101100001010…
…10110111011101000
31000021201022000110100
421312011112323220
5133122142110403
64504542145400
7522650306610
oct116605267350
930251260410
1010571050728
11453509a967
122070282260
13cc60bb404
14723d31a40
1541d0ad2a3
hex276156ee8

10571050728 has 48 divisors (see below), whose sum is σ = 32719920480. Its totient is φ = 3020300064.

The previous prime is 10571050717. The next prime is 10571050733. The reversal of 10571050728 is 82705017501.

10571050728 is a `hidden beast` number, since 10 + 571 + 0 + 5 + 0 + 72 + 8 = 666.

It is a super-2 number, since 2×105710507282 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10571050692 and 10571050701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10486650 + ... + 10487657.

It is an arithmetic number, because the mean of its divisors is an integer number (681665010).

Almost surely, 210571050728 is an apocalyptic number.

10571050728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10571050728 is an abundant number, since it is smaller than the sum of its proper divisors (22148869752).

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

10571050728 is a wasteful number, since it uses less digits than its factorization.

10571050728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20974326 (or 20974319 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The spelling of 10571050728 in words is "ten billion, five hundred seventy-one million, fifty thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 20974307 41948614 62922921 83897228 125845842 146820149 167794456 188768763 251691684 293640298 377537526 440460447 503383368 587280596 755075052 880920894 1174561192 1321381341 1510150104 1761841788 2642762682 3523683576 5285525364 10571050728