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16407170345 = 524139734297
BaseRepresentation
bin11110100011111000…
…11000110100101001
31120100102222121111202
433101330120310221
5232100213422340
611312022333545
71120404434606
oct172174306451
946312877452
1016407170345
116a5a468a15
12321a88a2b5
131716238427
14b190816ad
15660623c15
hex3d1f18d29

16407170345 has 16 divisors (see below), whose sum is σ = 19820677008. Its totient is φ = 13037967360.

The previous prime is 16407170341. The next prime is 16407170371. The reversal of 16407170345 is 54307170461.

It can be written as a sum of positive squares in 8 ways, for example, as 2814408601 + 13592761744 = 53051^2 + 116588^2 .

It is not a de Polignac number, because 16407170345 - 22 = 16407170341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16407170299 and 16407170308.

It is not an unprimeable number, because it can be changed into a prime (16407170341) 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, 461237 + ... + 495533.

It is an arithmetic number, because the mean of its divisors is an integer number (1238792313).

Almost surely, 216407170345 is an apocalyptic number.

It is an amenable number.

16407170345 is a deficient number, since it is larger than the sum of its proper divisors (3413506663).

16407170345 is a wasteful number, since it uses less digits than its factorization.

16407170345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34940.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 16407170345 in words is "sixteen billion, four hundred seven million, one hundred seventy thousand, three hundred forty-five".

Divisors: 1 5 241 397 1205 1985 34297 95677 171485 478385 8265577 13615909 41327885 68079545 3281434069 16407170345