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20570074207 = 411513322577
BaseRepresentation
bin10011001010000100…
…100110110001011111
31222002120020001001021
4103022010212301133
5314111414333312
613241052025011
71325513513554
oct231204466137
958076201037
1020570074207
1187a62a8231
123ba0a62167
131c2a826257
14dd1cbca2b
15805d26c07
hex4ca126c5f

20570074207 has 8 divisors (see below), whose sum is σ = 21211337952. Its totient is φ = 19935456000.

The previous prime is 20570074183. The next prime is 20570074229. The reversal of 20570074207 is 70247007502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20570074207 - 219 = 20569549919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570074297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655098 + ... + 1667479.

It is an arithmetic number, because the mean of its divisors is an integer number (2651417244).

Almost surely, 220570074207 is an apocalyptic number.

20570074207 is a deficient number, since it is larger than the sum of its proper divisors (641263745).

20570074207 is a wasteful number, since it uses less digits than its factorization.

20570074207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322769.

The product of its (nonzero) digits is 27440, while the sum is 34.

The spelling of 20570074207 in words is "twenty billion, five hundred seventy million, seventy-four thousand, two hundred seven".

Divisors: 1 41 151 6191 3322577 136225657 501709127 20570074207