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219425642495 = 51717364123279
BaseRepresentation
bin1100110001011011001…
…0011001011111111111
3202222101011001120100222
43030112302121133333
512043340431024440
6244445221011555
721565400121143
oct3142662313777
9688334046328
10219425642495
11850700669a4
1236639253bbb
13178cba089a7
14a897db7223
155a93a8a2b5
hex3316c997ff

219425642495 has 32 divisors (see below), whose sum is σ = 280860721920. Its totient is φ = 163996303360.

The previous prime is 219425642407. The next prime is 219425642507. The reversal of 219425642495 is 594246524912.

It is not a de Polignac number, because 219425642495 - 28 = 219425642239 is a prime.

It is a super-2 number, since 2×2194256424952 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9414266 + ... + 9437544.

It is an arithmetic number, because the mean of its divisors is an integer number (8776897560).

Almost surely, 2219425642495 is an apocalyptic number.

219425642495 is a deficient number, since it is larger than the sum of its proper divisors (61435079425).

219425642495 is a wasteful number, since it uses less digits than its factorization.

219425642495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24115.

The product of its digits is 6220800, while the sum is 53.

The spelling of 219425642495 in words is "two hundred nineteen billion, four hundred twenty-five million, six hundred forty-two thousand, four hundred ninety-five".

Divisors: 1 5 17 85 173 641 865 2941 3205 10897 14705 23279 54485 110893 116395 395743 554465 1885181 1978715 4027267 9425905 14921839 20136335 68463539 74609195 253671263 342317695 1268356315 2581478147 12907390735 43885128499 219425642495