Search a number
-
+
155114305004231 = 31139162232218933
BaseRepresentation
bin100011010001001101011101…
…000011001010001011000111
3202100012210010121121202210222
4203101031131003022023013
5130312343044040113411
61305522310013334555
744446432036053656
oct4321153503121307
9670183117552728
10155114305004231
1145473675398271
1215492236a9745b
1368722a6cac251
142a43802a1319d
1512ded2bb6a4db
hex8d135d0ca2c7

155114305004231 has 16 divisors (see below), whose sum is σ = 161279933767680. Its totient is φ = 149021431702560.

The previous prime is 155114305004227. The next prime is 155114305004249. The reversal of 155114305004231 is 132400503411551.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 155114305004231 - 22 = 155114305004227 is a prime.

It is a super-2 number, since 2×1551143050042312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155114305004191 and 155114305004200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155114305004201) 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, 68795441 + ... + 71014373.

It is an arithmetic number, because the mean of its divisors is an integer number (10079995860480).

Almost surely, 2155114305004231 is an apocalyptic number.

155114305004231 is a deficient number, since it is larger than the sum of its proper divisors (6165628763449).

155114305004231 is a wasteful number, since it uses less digits than its factorization.

155114305004231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235326.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 155114305004231 its reverse (132400503411551), we get a palindrome (287514808415782).

The spelling of 155114305004231 in words is "one hundred fifty-five trillion, one hundred fourteen billion, three hundred five million, four thousand, two hundred thirty-one".

Divisors: 1 31 139 4309 16223 502913 2218933 2254997 68786923 69904907 308431687 9561382297 35997750059 1115930251829 5003687258201 155114305004231