Search a number
-
+
13215520200254 = 231792698146223
BaseRepresentation
bin1100000001001111101001…
…1000110001011000111110
31201210101120022210002001112
43000103322120301120332
53213010341132402004
644035043130242022
72532534624153551
oct300237230613076
951711508702045
1013215520200254
114235741697079
12159530ab86312
1374b2ab52c028
143398c5460698
1517db75428e6e
hexc04fa63163e

13215520200254 has 16 divisors (see below), whose sum is σ = 20721763000320. Its totient is φ = 6313662159480.

The previous prime is 13215520200209. The next prime is 13215520200263. The reversal of 13215520200254 is 45200202551231.

It is a self number, because there is not a number n which added to its sum of digits gives 13215520200254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349068214 + ... + 1349078009.

It is an arithmetic number, because the mean of its divisors is an integer number (1295110187520).

Almost surely, 213215520200254 is an apocalyptic number.

13215520200254 is a deficient number, since it is larger than the sum of its proper divisors (7506242800066).

13215520200254 is a wasteful number, since it uses less digits than its factorization.

13215520200254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698146335.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13215520200254 its reverse (45200202551231), we get a palindrome (58415722751485).

The spelling of 13215520200254 in words is "thirteen trillion, two hundred fifteen billion, five hundred twenty million, two hundred thousand, two hundred fifty-four".

Divisors: 1 2 31 62 79 158 2449 4898 2698146223 5396292446 83642532913 167285065826 213153551617 426307103234 6607760100127 13215520200254