Search a number
-
+
53861692390 = 25111456333623
BaseRepresentation
bin110010001010011010…
…000011001111100110
312011000201021110200221
4302022122003033212
51340302043124030
640424350554554
73614512555102
oct621232031746
9164021243627
1053861692390
112092a580770
12a532208a5a
135104b274cc
14286d560902
1516038e9e7a
hexc8a6833e6

53861692390 has 32 divisors (see below), whose sum is σ = 105775186176. Its totient is φ = 19584142560.

The previous prime is 53861692369. The next prime is 53861692393. The reversal of 53861692390 is 9329616835.

It is a super-2 number, since 2×538616923902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53861692393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585119 + ... + 1618741.

It is an arithmetic number, because the mean of its divisors is an integer number (3305474568).

Almost surely, 253861692390 is an apocalyptic number.

53861692390 is a deficient number, since it is larger than the sum of its proper divisors (51913493786).

53861692390 is a wasteful number, since it uses less digits than its factorization.

53861692390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48204.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 53861692390 in words is "fifty-three billion, eight hundred sixty-one million, six hundred ninety-two thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 14563 29126 33623 67246 72815 145630 160193 168115 320386 336230 369853 739706 800965 1601930 1849265 3698530 489651749 979303498 2448258745 4896517490 5386169239 10772338478 26930846195 53861692390