Search a number
-
+
126161373 = 3132248839
BaseRepresentation
bin1111000010100…
…01000111011101
322210101122212110
413201101013131
5224244130443
620304024233
73061232262
oct741210735
9283348773
10126161373
116523a9a8
1236302079
13201a3500
1412a81269
15b121233
hex78511dd

126161373 has 12 divisors (see below), whose sum is σ = 182150880. Its totient is φ = 77637456.

The previous prime is 126161317. The next prime is 126161381. The reversal of 126161373 is 373161621.

It is not a de Polignac number, because 126161373 - 26 = 126161309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126161373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126161303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123913 + ... + 124926.

It is an arithmetic number, because the mean of its divisors is an integer number (15179240).

Almost surely, 2126161373 is an apocalyptic number.

126161373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126161373 is a deficient number, since it is larger than the sum of its proper divisors (55989507).

126161373 is a wasteful number, since it uses less digits than its factorization.

126161373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248868 (or 248855 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 126161373 is about 11232.1579850000. The cubic root of 126161373 is about 501.5437262468.

The spelling of 126161373 in words is "one hundred twenty-six million, one hundred sixty-one thousand, three hundred seventy-three".

Divisors: 1 3 13 39 169 507 248839 746517 3234907 9704721 42053791 126161373