Search a number
-
+
125152303136 = 257988356533
BaseRepresentation
bin111010010001110101…
…0001001100000100000
3102222001002010201200112
41310203222021200200
54022302442200021
6133254424110452
712020251011230
oct1644352114040
9388032121615
10125152303136
1149093237793
1220309305428
13ba56770253
1460b3731cc0
1533c7493d5b
hex1d23a89820

125152303136 has 48 divisors (see below), whose sum is σ = 281626156224. Its totient is φ = 53630325504.

The previous prime is 125152303121. The next prime is 125152303181. The reversal of 125152303136 is 631303251521.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185526 + ... + 2242058.

It is an arithmetic number, because the mean of its divisors is an integer number (5867211588).

Almost surely, 2125152303136 is an apocalyptic number.

125152303136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125152303136 is an abundant number, since it is smaller than the sum of its proper divisors (156473853088).

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

125152303136 is an equidigital number, since it uses as much as digits as its factorization.

125152303136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66433 (or 66425 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 125152303136 its reverse (631303251521), we get a palindrome (756455554657).

The spelling of 125152303136 in words is "one hundred twenty-five billion, one hundred fifty-two million, three hundred three thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 9883 19766 39532 56533 69181 79064 113066 138362 158128 226132 276724 316256 395731 452264 553448 791462 904528 1106896 1582924 1809056 2213792 3165848 6331696 12663392 558715639 1117431278 2234862556 3911009473 4469725112 7822018946 8939450224 15644037892 17878900448 31288075784 62576151568 125152303136