Search a number
-
+
768085825260 = 223513275748109
BaseRepresentation
bin10110010110101010111…
…10111001011011101100
32201102120012222200111210
423023111132321123230
5100041014432402020
61344504224514420
7106330611535545
oct13132536713354
92642505880453
10768085825260
1127681a473976
12104a3a47ba10
1357579159c00
1429265a034cc
1514ea660a3e0
hexb2d57b96ec

768085825260 has 72 divisors (see below), whose sum is σ = 2328799893840. Its totient is φ = 189067277568.

The previous prime is 768085825259. The next prime is 768085825267. The reversal of 768085825260 is 62528580867.

It is a self number, because there is not a number n which added to its sum of digits gives 768085825260.

It is not an unprimeable number, because it can be changed into a prime (768085825267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37863915 + ... + 37884194.

It is an arithmetic number, because the mean of its divisors is an integer number (32344442970).

Almost surely, 2768085825260 is an apocalyptic number.

It is an amenable number.

768085825260 is an abundant number, since it is smaller than the sum of its proper divisors (1560714068580).

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

768085825260 is a wasteful number, since it uses less digits than its factorization.

768085825260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75748147 (or 75748132 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 768085825260 in words is "seven hundred sixty-eight billion, eighty-five million, eight hundred twenty-five thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1014 1690 2028 2535 3380 5070 10140 75748109 151496218 227244327 302992436 378740545 454488654 757481090 908977308 984725417 1136221635 1514962180 1969450834 2272443270 2954176251 3938901668 4544886540 4923627085 5908352502 9847254170 11816705004 12801430421 14770881255 19694508340 25602860842 29541762510 38404291263 51205721684 59083525020 64007152105 76808582526 128014304210 153617165052 192021456315 256028608420 384042912630 768085825260