Search a number
-
+
145254502311 = 3531213753133
BaseRepresentation
bin1000011101000111010…
…1111100111110100111
3111212221000222020211220
42013101311330332213
54334440123033221
6150421244031423
713331353620012
oct2072165747647
9455830866756
10145254502311
115666941a536
1224199532573
131090b37b669
14705d41c379
153ba219b0c6
hex21d1d7cfa7

145254502311 has 16 divisors (see below), whose sum is σ = 197489810016. Its totient is φ = 94930782336.

The previous prime is 145254502307. The next prime is 145254502399. The reversal of 145254502311 is 113205452541.

It is not a de Polignac number, because 145254502311 - 22 = 145254502307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145254502711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183700 + ... + 569433.

It is an arithmetic number, because the mean of its divisors is an integer number (12343113126).

Almost surely, 2145254502311 is an apocalyptic number.

145254502311 is a deficient number, since it is larger than the sum of its proper divisors (52235307705).

145254502311 is a wasteful number, since it uses less digits than its factorization.

145254502311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754402.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 145254502311 its reverse (113205452541), we get a palindrome (258459954852).

The spelling of 145254502311 in words is "one hundred forty-five billion, two hundred fifty-four million, five hundred two thousand, three hundred eleven".

Divisors: 1 3 53 159 1213 3639 64289 192867 753133 2259399 39916049 119748147 913550329 2740650987 48418167437 145254502311