Search a number
-
+
68848006710 = 2357676148491
BaseRepresentation
bin100000000011110101…
…0010011011000110110
320120201010200010011110
41000013222103120312
52112000042203320
651343415415450
74655055254430
oct1000752233066
9216633603143
1068848006710
112721a9a54aa
1211415084586
136652891212
143491a21650
151bce4095e0
hex1007a93636

68848006710 has 64 divisors (see below), whose sum is σ = 188872072704. Its totient is φ = 15734035200.

The previous prime is 68848006679. The next prime is 68848006727. The reversal of 68848006710 is 1760084886.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68848006710.

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, 1395565 + ... + 1444055.

It is an arithmetic number, because the mean of its divisors is an integer number (2951126136).

Almost surely, 268848006710 is an apocalyptic number.

68848006710 is an abundant number, since it is smaller than the sum of its proper divisors (120024065994).

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

68848006710 is a wasteful number, since it uses less digits than its factorization.

68848006710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55269.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 68848006710 in words is "sixty-eight billion, eight hundred forty-eight million, six thousand, seven hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 6761 13522 20283 33805 40566 47327 48491 67610 94654 96982 101415 141981 145473 202830 236635 242455 283962 290946 339437 473270 484910 678874 709905 727365 1018311 1419810 1454730 1697185 2036622 3394370 5091555 10183110 327847651 655695302 983542953 1639238255 1967085906 2294933557 3278476510 4589867114 4917714765 6884800671 9835429530 11474667785 13769601342 22949335570 34424003355 68848006710