Search a number
-
+
12173538070 = 2519103622051
BaseRepresentation
bin10110101011001100…
…10111001100010110
31011102101122210211101
423111212113030112
5144412411204240
65331545100314
7610446236431
oct132546271426
934371583741
1012173538070
115187710371
122438a8769a
1311c00b5385
14836ab2818
154b3aee39a
hex2d5997316

12173538070 has 32 divisors (see below), whose sum is σ = 23289626880. Its totient is φ = 4568335200.

The previous prime is 12173538053. The next prime is 12173538073. The reversal of 12173538070 is 7083537121.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173538073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291456 + ... + 330595.

It is an arithmetic number, because the mean of its divisors is an integer number (727800840).

Almost surely, 212173538070 is an apocalyptic number.

12173538070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173538070 is a deficient number, since it is larger than the sum of its proper divisors (11116088810).

12173538070 is a wasteful number, since it uses less digits than its factorization.

12173538070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622180.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 12173538070 in words is "twelve billion, one hundred seventy-three million, five hundred thirty-eight thousand, seventy".

Divisors: 1 2 5 10 19 38 95 103 190 206 515 1030 1957 3914 9785 19570 622051 1244102 3110255 6220510 11818969 23637938 59094845 64071253 118189690 128142506 320356265 640712530 1217353807 2434707614 6086769035 12173538070