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172858743160 = 2355381537143
BaseRepresentation
bin1010000011111100101…
…1110001100101111000
3121112011211012222111121
42200333023301211320
510313003314240120
6211224334435024
715326413034215
oct2407713614570
9545154188447
10172858743160
1167344288224
1229602062a74
13133ba2b119c
14851b5ccb0c
15476a7da5aa
hex283f2f1978

172858743160 has 32 divisors (see below), whose sum is σ = 396270519840. Its totient is φ = 67838902144.

The previous prime is 172858743139. The next prime is 172858743209. The reversal of 172858743160 is 61347858271.

It is a junction number, because it is equal to n+sod(n) for n = 172858743098 and 172858743107.

It is a congruent 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, 40766452 + ... + 40770691.

It is an arithmetic number, because the mean of its divisors is an integer number (12383453745).

Almost surely, 2172858743160 is an apocalyptic number.

172858743160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172858743160 is an abundant number, since it is smaller than the sum of its proper divisors (223411776680).

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

172858743160 is a wasteful number, since it uses less digits than its factorization.

172858743160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81537207 (or 81537203 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 172858743160 in words is "one hundred seventy-two billion, eight hundred fifty-eight million, seven hundred forty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 81537143 163074286 326148572 407685715 652297144 815371430 1630742860 3261485720 4321468579 8642937158 17285874316 21607342895 34571748632 43214685790 86429371580 172858743160