Search a number
-
+
742812705860 = 22558396360787
BaseRepresentation
bin10101100111100110001…
…01100110010001000100
32122000022220011012022112
422303303011212101010
544132240023041420
61325124330120152
7104444406551651
oct12636305462104
92560286135275
10742812705860
11267030453235
12bbb66580058
135507c177aa4
1427d49282c28
15144c79888c5
hexacf3166444

742812705860 has 24 divisors (see below), whose sum is σ = 1560174080640. Its totient is φ = 297074149344.

The previous prime is 742812705857. The next prime is 742812705871. The reversal of 742812705860 is 68507218247.

It is a junction number, because it is equal to n+sod(n) for n = 742812705799 and 742812705808.

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, 3063614 + ... + 3297173.

It is an arithmetic number, because the mean of its divisors is an integer number (65007253360).

Almost surely, 2742812705860 is an apocalyptic number.

It is an amenable number.

742812705860 is an abundant number, since it is smaller than the sum of its proper divisors (817361374780).

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

742812705860 is a wasteful number, since it uses less digits than its factorization.

742812705860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366635 (or 6366633 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 742812705860 in words is "seven hundred forty-two billion, eight hundred twelve million, seven hundred five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5839 11678 23356 29195 58390 116780 6360787 12721574 25443148 31803935 63607870 127215740 37140635293 74281270586 148562541172 185703176465 371406352930 742812705860