Search a number
-
+
252106671292 = 22724389336101
BaseRepresentation
bin1110101011001010111…
…0101000010010111100
3220002201202011211211221
43222302232220102330
513112303301440132
6311452144523124
724133303230400
oct3526256502274
9802652154757
10252106671292
1197a10709603
1240a3a0204a4
131aa09674458
14c2b8517100
156857c4ce97
hex3ab2ba84bc

252106671292 has 72 divisors (see below), whose sum is σ = 531054604080. Its totient is φ = 104346950400.

The previous prime is 252106671253. The next prime is 252106671337. The reversal of 252106671292 is 292176601252.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582042 + ... + 918142.

It is an arithmetic number, because the mean of its divisors is an integer number (7375758390).

Almost surely, 2252106671292 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 252106671292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265527302040).

252106671292 is an abundant number, since it is smaller than the sum of its proper divisors (278947932788).

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

252106671292 is a wasteful number, since it uses less digits than its factorization.

252106671292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336251 (or 336242 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 252106671292 in words is "two hundred fifty-two billion, one hundred six million, six hundred seventy-one thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 43 49 86 89 98 172 178 196 301 356 602 623 1204 1246 2107 2492 3827 4214 4361 7654 8428 8722 15308 17444 26789 53578 107156 187523 336101 375046 672202 750092 1344404 2352707 4705414 9410828 14452343 16468949 28904686 29912989 32937898 57809372 59825978 65875796 101166401 119651956 202332802 209390923 404665604 418781846 708164807 837563692 1286258527 1416329614 1465736461 2572517054 2832659228 2931472922 5145034108 5862945844 9003809689 18007619378 36015238756 63026667823 126053335646 252106671292