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420207060317 = 1138200641847
BaseRepresentation
bin1100001110101100100…
…10101110010101011101
31111011121221201101121012
412013112102232111131
523341041001412232
6521012423345005
742234060036212
oct6072622562535
91434557641535
10420207060317
11152232a26950
12695325b2165
1330818ba2a75
14164a3b87b09
15ade59159b2
hex61d64ae55d

420207060317 has 4 divisors (see below), whose sum is σ = 458407702176. Its totient is φ = 382006418460.

The previous prime is 420207060281. The next prime is 420207060319. The reversal of 420207060317 is 713060702024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420207060317 - 28 = 420207060061 is a prime.

It is a super-2 number, since 2×4202070603172 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420207060319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19100320913 + ... + 19100320934.

It is an arithmetic number, because the mean of its divisors is an integer number (114601925544).

Almost surely, 2420207060317 is an apocalyptic number.

It is an amenable number.

420207060317 is a deficient number, since it is larger than the sum of its proper divisors (38200641859).

420207060317 is a wasteful number, since it uses less digits than its factorization.

420207060317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38200641858.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 420207060317 in words is "four hundred twenty billion, two hundred seven million, sixty thousand, three hundred seventeen".

Divisors: 1 11 38200641847 420207060317