Search a number
-
+
163701126220 = 22561842915919
BaseRepresentation
bin1001100001110101011…
…0001111010001001100
3120122112121112211200211
42120131112033101030
510140224442014340
6203111523132204
714553444420442
oct2303526172114
9518477484624
10163701126220
1163475022065
1227887214064
131258ac96038
147ccd2a8b92
1543d18775ea
hex261d58f44c

163701126220 has 48 divisors (see below), whose sum is σ = 349471382400. Its totient is φ = 64395313920.

The previous prime is 163701126203. The next prime is 163701126223. The reversal of 163701126220 is 22621107361.

It is not an unprimeable number, because it can be changed into a prime (163701126223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10275421 + ... + 10291339.

It is an arithmetic number, because the mean of its divisors is an integer number (7280653800).

Almost surely, 2163701126220 is an apocalyptic number.

163701126220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163701126220 is an abundant number, since it is smaller than the sum of its proper divisors (185770256180).

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

163701126220 is a wasteful number, since it uses less digits than its factorization.

163701126220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24418 (or 24416 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 163701126220 in words is "one hundred sixty-three billion, seven hundred one million, one hundred twenty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 8429 15919 16858 31838 33716 42145 63676 79595 84290 159190 168580 318380 514169 971059 1028338 1942118 2056676 2570845 3884236 4855295 5141690 9710590 10283380 19421180 134181251 268362502 536725004 670906255 1341812510 2683625020 8185056311 16370112622 32740225244 40925281555 81850563110 163701126220