Search a number
-
+
215054102366560 = 25517419188696917
BaseRepresentation
bin110000111001011100101111…
…011000010000100101100000
31001012102222020011010102102001
4300321130233120100211200
5211141421300201212220
62041214254000333344
763204101064163342
oct6071345730204540
91035388204112361
10215054102366560
1162582a29378666
1220152b13914254
1392cc6901317c2
143b169619c9292
1519ce0b62de80a
hexc3972f610960

215054102366560 has 96 divisors (see below), whose sum is σ = 539235408630240. Its totient is φ = 80768318349312.

The previous prime is 215054102366533. The next prime is 215054102366591. The reversal of 215054102366560 is 65663201450512.

It is a self number, because there is not a number n which added to its sum of digits gives 215054102366560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93208779 + ... + 95488138.

It is an arithmetic number, because the mean of its divisors is an integer number (5617035506565).

Almost surely, 2215054102366560 is an apocalyptic number.

215054102366560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215054102366560 is an abundant number, since it is smaller than the sum of its proper divisors (324181306263680).

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

215054102366560 is a wasteful number, since it uses less digits than its factorization.

215054102366560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188697368 (or 188697360 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 215054102366560 in words is "two hundred fifteen trillion, fifty-four billion, one hundred two million, three hundred sixty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 419 544 680 838 1360 1676 2095 2720 3352 4190 6704 7123 8380 13408 14246 16760 28492 33520 35615 56984 67040 71230 113968 142460 227936 284920 569840 1139680 188696917 377393834 754787668 943484585 1509575336 1886969170 3019150672 3207847589 3773938340 6038301344 6415695178 7547876680 12831390356 15095753360 16039237945 25662780712 30191506720 32078475890 51325561424 64156951780 79064008223 102651122848 128313903560 158128016446 256627807120 316256032892 395320041115 513255614240 632512065784 790640082230 1265024131568 1344088139791 1581280164460 2530048263136 2688176279582 3162560328920 5376352559164 6325120657840 6720440698955 10752705118328 12650241315680 13440881397910 21505410236656 26881762795820 43010820473312 53763525591640 107527051183280 215054102366560