Search a number
-
+
3805078642160 = 2451131151936541
BaseRepresentation
bin110111010111110000010…
…111000101110111110000
3111110202120110202202202112
4313113300113011313300
5444320300113022120
612032010132504452
7541623252543035
oct67276027056760
914422513682675
103805078642160
1112377a77714a4
1251554917b128
13217a81a11483
14d224995138c
1568ea3823bc5
hex375f05c5df0

3805078642160 has 80 divisors (see below), whose sum is σ = 8926117263360. Its totient is φ = 1508389908480.

The previous prime is 3805078642133. The next prime is 3805078642187. The reversal of 3805078642160 is 612468705083.

It is an interprime number because it is at equal distance from previous prime (3805078642133) and next prime (3805078642187).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3805078642099 and 3805078642108.

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, 104113490 + ... + 104150030.

It is an arithmetic number, because the mean of its divisors is an integer number (111576465792).

Almost surely, 23805078642160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3805078642160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4463058631680).

3805078642160 is an abundant number, since it is smaller than the sum of its proper divisors (5121038621200).

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

3805078642160 is a wasteful number, since it uses less digits than its factorization.

3805078642160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48186 (or 48180 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 3805078642160 in words is "three trillion, eight hundred five billion, seventy-eight million, six hundred forty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 113 226 452 565 904 1130 1808 2260 4520 9040 11519 23038 36541 46076 57595 73082 92152 115190 146164 182705 184304 230380 292328 365410 460760 584656 730820 921520 1301647 1461640 2603294 2923280 4129133 5206588 6508235 8258266 10413176 13016470 16516532 20645665 20826352 26032940 33033064 41291330 52065880 66066128 82582660 104131760 165165320 330330640 420915779 841831558 1683663116 2104578895 3367326232 4209157790 6734652464 8418315580 16836631160 33673262320 47563483027 95126966054 190253932108 237817415135 380507864216 475634830270 761015728432 951269660540 1902539321080 3805078642160