Search a number
-
+
137481101 = 241570461
BaseRepresentation
bin10000011000111…
…00101110001101
3100120200202121122
420030130232031
5240143343401
621350410325
73256366352
oct1014345615
9316622548
10137481101
117067164a
123a0609a5
1322637984
141438a629
15c10a21b
hex831cb8d

137481101 has 4 divisors (see below), whose sum is σ = 138051804. Its totient is φ = 136910400.

The previous prime is 137481089. The next prime is 137481103. The reversal of 137481101 is 101184731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104142025 + 33339076 = 10205^2 + 5774^2 .

It is a cyclic number.

It is not a de Polignac number, because 137481101 - 26 = 137481037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137481103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284990 + ... + 285471.

It is an arithmetic number, because the mean of its divisors is an integer number (34512951).

Almost surely, 2137481101 is an apocalyptic number.

It is an amenable number.

137481101 is a deficient number, since it is larger than the sum of its proper divisors (570703).

137481101 is an equidigital number, since it uses as much as digits as its factorization.

137481101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570702.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 137481101 is about 11725.2335157983. The cubic root of 137481101 is about 516.1164092969.

The spelling of 137481101 in words is "one hundred thirty-seven million, four hundred eighty-one thousand, one hundred one".

Divisors: 1 241 570461 137481101