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3837122945 = 51877408857
BaseRepresentation
bin1110010010110101…
…1101100110000001
3100220102020001010122
43210231131212001
530324300413240
61432430510025
7164042002235
oct34455354601
910812201118
103837122945
111699a57297
128b1065315
13491c64566
142858765c5
15176d004b5
hexe4b5d981

3837122945 has 8 divisors (see below), whose sum is σ = 4607011944. Its totient is φ = 3068055424.

The previous prime is 3837122869. The next prime is 3837122953. The reversal of 3837122945 is 5492217383.

It is a happy number.

3837122945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 166823056 + 3670299889 = 12916^2 + 60583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3837122945 - 28 = 3837122689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3837122896 and 3837122905.

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, 195044 + ... + 213813.

It is an arithmetic number, because the mean of its divisors is an integer number (575876493).

Almost surely, 23837122945 is an apocalyptic number.

It is an amenable number.

3837122945 is a deficient number, since it is larger than the sum of its proper divisors (769888999).

3837122945 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (3837122944) it forms an eRAP, since the sums of their prime factors are consecutive (410738 and 410739).

3837122945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410739.

The product of its digits is 362880, while the sum is 44.

The square root of 3837122945 is about 61944.5150517784. The cubic root of 3837122945 is about 1565.5558723135. Note that the first 3 decimals are identical.

It can be divided in two parts, 38371 and 22945, that added together give a palindrome (61316).

The spelling of 3837122945 in words is "three billion, eight hundred thirty-seven million, one hundred twenty-two thousand, nine hundred forty-five".

Divisors: 1 5 1877 9385 408857 2044285 767424589 3837122945