Search a number
-
+
10170002172 = 2231177045471
BaseRepresentation
bin10010111100010110…
…11110101011111100
3222020202122122021010
421132023132223330
5131312010032142
64401054235220
7510010410051
oct113613365374
928222578233
1010170002172
114349779180
121b79ab5b10
13c60ca0785
146c6977028
153e7c8de9c
hex25e2deafc

10170002172 has 24 divisors (see below), whose sum is σ = 25887278592. Its totient is φ = 3081818800.

The previous prime is 10170002053. The next prime is 10170002189. The reversal of 10170002172 is 27120007101.

It is a happy number.

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, 38522604 + ... + 38522867.

It is an arithmetic number, because the mean of its divisors is an integer number (1078636608).

Almost surely, 210170002172 is an apocalyptic number.

10170002172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10170002172 is an abundant number, since it is smaller than the sum of its proper divisors (15717276420).

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

10170002172 is a wasteful number, since it uses less digits than its factorization.

10170002172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77045489 (or 77045487 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 21.

Adding to 10170002172 its reverse (27120007101), we get a palindrome (37290009273).

The spelling of 10170002172 in words is "ten billion, one hundred seventy million, two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 77045471 154090942 231136413 308181884 462272826 847500181 924545652 1695000362 2542500543 3390000724 5085001086 10170002172