Search a number
-
+
15254102210245 = 554748171157851
BaseRepresentation
bin1101110111111001111101…
…0101111111011011000101
32000000021111121111002220121
43131332133111333123011
53444410400131211440
652235345433501541
73133033605302023
oct335763725773305
960007447432817
1015254102210245
11495125702a028
12186441bb718b1
138685c01388c2
143aa434045713
151b6bda69334a
hexddf9f57f6c5

15254102210245 has 16 divisors (see below), whose sum is σ = 18342209717568. Its totient is φ = 12178433030400.

The previous prime is 15254102210203. The next prime is 15254102210279. The reversal of 15254102210245 is 54201220145251.

It is not a de Polignac number, because 15254102210245 - 29 = 15254102209733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15254102210245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12595570 + ... + 13753420.

It is an arithmetic number, because the mean of its divisors is an integer number (1146388107348).

Almost surely, 215254102210245 is an apocalyptic number.

It is an amenable number.

15254102210245 is a deficient number, since it is larger than the sum of its proper divisors (3088107507323).

15254102210245 is a wasteful number, since it uses less digits than its factorization.

15254102210245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163220.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 15254102210245 its reverse (54201220145251), we get a palindrome (69455322355496).

The spelling of 15254102210245 in words is "fifteen trillion, two hundred fifty-four billion, one hundred two million, two hundred ten thousand, two hundred forty-five".

Divisors: 1 5 547 2735 4817 24085 1157851 2634899 5789255 13174495 633344497 3166722485 5577368267 27886841335 3050820442049 15254102210245