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255122140211432 = 2313167119691227271
BaseRepresentation
bin111010000000100001000000…
…100010101010100011101000
31020110022102211121021001202222
4322000201000202222203220
5231414410120343231212
62302333254312013212
7104510652315336014
oct7200410042524350
91213272747231688
10255122140211432
117432076814659a
1224744468691208
13ac47bb748a170
1446ddd98273544
151e764a4232c72
hexe808408aa8e8

255122140211432 has 64 divisors (see below), whose sum is σ = 518278929235200. Its totient is φ = 117033723924480.

The previous prime is 255122140211431. The next prime is 255122140211473. The reversal of 255122140211432 is 234112041221552.

It is a junction number, because it is equal to n+sod(n) for n = 255122140211392 and 255122140211401.

It is not an unprimeable number, because it can be changed into a prime (255122140211431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207263957 + ... + 208491227.

It is an arithmetic number, because the mean of its divisors is an integer number (8098108269300).

Almost surely, 2255122140211432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255122140211432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259139464617600).

255122140211432 is an abundant number, since it is smaller than the sum of its proper divisors (263156789023768).

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

255122140211432 is a wasteful number, since it uses less digits than its factorization.

255122140211432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239426 (or 1239422 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 255122140211432 its reverse (234112041221552), we get a palindrome (489234181432984).

The spelling of 255122140211432 in words is "two hundred fifty-five trillion, one hundred twenty-two billion, one hundred forty million, two hundred eleven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 167 334 668 1336 2171 4342 8684 11969 17368 23938 47876 95752 155597 311194 622388 1227271 1244776 1998823 2454542 3997646 4909084 7995292 9818168 15954523 15990584 25984699 31909046 51969398 63818092 103938796 127636184 204954257 207877592 409908514 819817028 1639634056 2664405341 5328810682 10657621364 14689206599 21315242728 29378413198 58756826396 117513652792 190959685787 381919371574 763838743148 1527677486296 2453097502033 4906195004066 9812390008132 19624780016264 31890267526429 63780535052858 127561070105716 255122140211432