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470720808172 = 22131898322153
BaseRepresentation
bin1101101100110010010…
…01011000010011101100
31200000000100020122210101
412312121021120103230
530203014011330142
61000125100320444
746002620565136
oct6663111302354
91600010218711
10470720808172
111716a46962aa
127728b543124
13355091cc2b4
1418ad680c056
15c3a043c0b7
hex6d992584ec

470720808172 has 12 divisors (see below), whose sum is σ = 830049670296. Its totient is φ = 233563759520.

The previous prime is 470720808157. The next prime is 470720808241. The reversal of 470720808172 is 271808027074.

It is a super-2 number, since 2×4707208081722 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449160553 + ... + 449161600.

It is an arithmetic number, because the mean of its divisors is an integer number (69170805858).

Almost surely, 2470720808172 is an apocalyptic number.

It is an amenable number.

470720808172 is a deficient number, since it is larger than the sum of its proper divisors (359328862124).

470720808172 is a wasteful number, since it uses less digits than its factorization.

470720808172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898322288 (or 898322286 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 46.

The spelling of 470720808172 in words is "four hundred seventy billion, seven hundred twenty million, eight hundred eight thousand, one hundred seventy-two".

Divisors: 1 2 4 131 262 524 898322153 1796644306 3593288612 117680202043 235360404086 470720808172