Search a number
-
+
131552445316 = 22731133986921
BaseRepresentation
bin111101010000100100…
…0110000001110000100
3110120120010010122020111
41322201020300032010
54123404411222231
6140233453242404
712334664222665
oct1724110601604
9416503118214
10131552445316
1150877a20296
12215b4793404
13c5366ca226
14651d74136c
15364e2bc4b1
hex1ea1230384

131552445316 has 24 divisors (see below), whose sum is σ = 235435717944. Its totient is φ = 64301045760.

The previous prime is 131552445289. The next prime is 131552445341. The reversal of 131552445316 is 613544255131.

It can be written as a sum of positive squares in 4 ways, for example, as 1697440000 + 129855005316 = 41200^2 + 360354^2 .

It is a super-3 number, since 3×1315524453163 (a number of 34 digits) contains 333 as substring.

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, 1960465 + ... + 2026456.

It is an arithmetic number, because the mean of its divisors is an integer number (9809821581).

Almost surely, 2131552445316 is an apocalyptic number.

It is an amenable number.

131552445316 is a deficient number, since it is larger than the sum of its proper divisors (103883272628).

131552445316 is a wasteful number, since it uses less digits than its factorization.

131552445316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987111 (or 3987109 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 131552445316 in words is "one hundred thirty-one billion, five hundred fifty-two million, four hundred forty-five thousand, three hundred sixteen".

Divisors: 1 2 4 73 113 146 226 292 452 8249 16498 32996 3986921 7973842 15947684 291045233 450522073 582090466 901044146 1164180932 1802088292 32888111329 65776222658 131552445316