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3838810053 = 31398431027
BaseRepresentation
bin1110010011001111…
…1001011111000101
3100220112101202102010
43210303321133011
530330213410203
61432531004433
7164062230021
oct34463713705
910815352363
103838810053
11169a9a98a1
128b1739719
13492405450
14285b95381
15177035303
hexe4cf97c5

3838810053 has 8 divisors (see below), whose sum is σ = 5512137568. Its totient is φ = 2362344624.

The previous prime is 3838810021. The next prime is 3838810057. The reversal of 3838810053 is 3500188383.

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

It is not a de Polignac number, because 3838810053 - 25 = 3838810021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 98431027 = 3838810053 / (3 + 8 + 3 + 8 + 8 + 1 + 0 + 0 + 5 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838809993 and 3838810020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838810057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49215475 + ... + 49215552.

It is an arithmetic number, because the mean of its divisors is an integer number (689017196).

Almost surely, 23838810053 is an apocalyptic number.

It is an amenable number.

3838810053 is a deficient number, since it is larger than the sum of its proper divisors (1673327515).

3838810053 is a wasteful number, since it uses less digits than its factorization.

3838810053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98431043.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 3838810053 is about 61958.1314518119. The cubic root of 3838810053 is about 1565.7852868050.

The spelling of 3838810053 in words is "three billion, eight hundred thirty-eight million, eight hundred ten thousand, fifty-three".

Divisors: 1 3 13 39 98431027 295293081 1279603351 3838810053