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155047127013 = 325925878431
BaseRepresentation
bin1001000001100110000…
…1110110011111100101
3112211012111112010112200
42100121201312133211
510020014031031023
6155121102005113
714126132556162
oct2203141663745
9484174463480
10155047127013
115a8340743a9
1226070b76799
131180c0cb84c
14770bbdd069
154076c44743
hex24198767e5

155047127013 has 36 divisors (see below), whose sum is σ = 228232350528. Its totient is φ = 101427669360.

The previous prime is 155047127009. The next prime is 155047127047. The reversal of 155047127013 is 310721740551.

155047127013 is a `hidden beast` number, since 1 + 5 + 504 + 71 + 2 + 70 + 13 = 666.

155047127013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155047127013 - 22 = 155047127009 is a prime.

It is a super-2 number, since 2×1550471270132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155047127093) 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 35 ways as a sum of consecutive naturals, for example, 18385908 + ... + 18394338.

Almost surely, 2155047127013 is an apocalyptic number.

It is an amenable number.

155047127013 is a deficient number, since it is larger than the sum of its proper divisors (73185223515).

155047127013 is an equidigital number, since it uses as much as digits as its factorization.

155047127013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142 (or 9080 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

Adding to 155047127013 its reverse (310721740551), we get a palindrome (465768867564).

The spelling of 155047127013 in words is "one hundred fifty-five billion, forty-seven million, one hundred twenty-seven thousand, thirteen".

Divisors: 1 3 9 59 177 531 587 1761 3481 5283 8431 10443 25293 31329 34633 75879 103899 311697 497429 1492287 2043347 4476861 4948997 6130041 14846991 18390123 29348311 44540973 88044933 264134799 291990823 875972469 2627917407 17227458557 51682375671 155047127013