Search a number
-
+
383126049381 = 3691353952223
BaseRepresentation
bin1011001001101000001…
…01111001001001100101
31100121220201020212022210
411210310011321021211
522234120232040011
6452001120514033
736452135454465
oct5446405711145
91317821225283
10383126049381
11138534737569
126230417b919
132a1897ac48a
1414787135ba5
159e7531e6a6
hex5934179265

383126049381 has 16 divisors (see below), whose sum is σ = 511728353280. Its totient is φ = 254970781680.

The previous prime is 383126049379. The next prime is 383126049401. The reversal of 383126049381 is 183940621383.

It is not a de Polignac number, because 383126049381 - 21 = 383126049379 is a prime.

It is a super-2 number, since 2×3831260493812 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 383126049381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383126049311) 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, 7310236 + ... + 7362458.

It is an arithmetic number, because the mean of its divisors is an integer number (31983022080).

Almost surely, 2383126049381 is an apocalyptic number.

It is an amenable number.

383126049381 is a deficient number, since it is larger than the sum of its proper divisors (128602303899).

383126049381 is a wasteful number, since it uses less digits than its factorization.

383126049381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56456.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 383126049381 in words is "three hundred eighty-three billion, one hundred twenty-six million, forty-nine thousand, three hundred eighty-one".

Divisors: 1 3 691 2073 3539 10617 52223 156669 2445449 7336347 36086093 108258279 184817197 554451591 127708683127 383126049381