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420100742315 = 51943615932843
BaseRepresentation
bin1100001110011111111…
…01001001110010101011
31111011100112122212201102
412013033331021302223
523340331242223230
6520554104512015
742231326251202
oct6071775116253
91434315585642
10420100742315
11152188a0a631
1269502a7b60b
13307ccb595c7
14164939d0239
15addb414045
hex61cff49cab

420100742315 has 64 divisors (see below), whose sum is σ = 553021032960. Its totient is φ = 305266268160.

The previous prime is 420100742309. The next prime is 420100742317. The reversal of 420100742315 is 513247001024.

It is not a de Polignac number, because 420100742315 - 214 = 420100725931 is a prime.

It is a super-2 number, since 2×4201007423152 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420100742317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147765284 + ... + 147768126.

It is an arithmetic number, because the mean of its divisors is an integer number (8640953640).

Almost surely, 2420100742315 is an apocalyptic number.

420100742315 is a deficient number, since it is larger than the sum of its proper divisors (132920290645).

420100742315 is a wasteful number, since it uses less digits than its factorization.

420100742315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 420100742315 its reverse (513247001024), we get a palindrome (933347743339).

The spelling of 420100742315 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, three hundred fifteen".

Divisors: 1 5 19 43 61 95 215 305 593 817 1159 2623 2843 2965 4085 5795 11267 13115 14215 25499 36173 49837 54017 56335 122249 127495 173423 180865 249185 270085 484481 611245 687287 867115 1555439 1685899 2322731 2422405 3295037 3436435 7457189 7777195 8429495 11613655 16475185 29553341 32032081 37285945 72493657 102839839 141686591 147766705 160160405 362468285 514199195 708432955 1377379483 1953956941 4422113077 6886897415 9769784705 22110565385 84020148463 420100742315