Search a number
-
+
68938964410 = 2515594421999
BaseRepresentation
bin100000000110100010…
…1010001110110111010
320120221110211020200011
41000031011101312322
52112141333330120
651400425132134
74660241346301
oct1001505216672
9216843736604
1068938964410
1127267280358
121143b62a04a
13666868a044
14349db3b438
151bd73c4c5a
hex100d151dba

68938964410 has 16 divisors (see below), whose sum is σ = 124169760000. Its totient is φ = 27557891536.

The previous prime is 68938964333. The next prime is 68938964429. The reversal of 68938964410 is 1446983986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195410 + ... + 2226589.

It is an arithmetic number, because the mean of its divisors is an integer number (7760610000).

Almost surely, 268938964410 is an apocalyptic number.

68938964410 is a deficient number, since it is larger than the sum of its proper divisors (55230795590).

68938964410 is a wasteful number, since it uses less digits than its factorization.

68938964410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423565.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 68938964410 in words is "sixty-eight billion, nine hundred thirty-eight million, nine hundred sixty-four thousand, four hundred ten".

Divisors: 1 2 5 10 1559 3118 7795 15590 4421999 8843998 22109995 44219990 6893896441 13787792882 34469482205 68938964410