Search a number
-
+
25502502640030 = 25132310382808399
BaseRepresentation
bin1011100110001110000111…
…00111000101100110011110
310100022000102020221122000221
411303013003213011212132
511320313111133440110
6130123404334111554
75241331534526143
oct563070347054636
9110260366848027
1025502502640030
118142606989539
122a3a68064b5ba
13112cb4cb3aa50
146424833643ca
152e35a2c887da
hex1731c39c599e

25502502640030 has 64 divisors (see below), whose sum is σ = 52085821132800. Its totient is φ = 8919458165376.

The previous prime is 25502502640019. The next prime is 25502502640051. The reversal of 25502502640030 is 3004620520552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41096230 + ... + 41712169.

It is an arithmetic number, because the mean of its divisors is an integer number (813840955200).

Almost surely, 225502502640030 is an apocalyptic number.

25502502640030 is an abundant number, since it is smaller than the sum of its proper divisors (26583318492770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25502502640030 is a wasteful number, since it uses less digits than its factorization.

25502502640030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82808545.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 25502502640030 in words is "twenty-five trillion, five hundred two billion, five hundred two million, six hundred forty thousand, thirty".

Divisors: 1 2 5 10 13 23 26 46 65 103 115 130 206 230 299 515 598 1030 1339 1495 2369 2678 2990 4738 6695 11845 13390 23690 30797 61594 153985 307970 82808399 165616798 414041995 828083990 1076509187 1904593177 2153018374 3809186354 5382545935 8529265097 9522965885 10765091870 17058530194 19045931770 24759711301 42646325485 49519422602 85292650970 110880446261 123798556505 196173097231 221760892522 247597113010 392346194462 554402231305 980865486155 1108804462610 1961730972310 2550250264003 5100500528006 12751251320015 25502502640030