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420415133425511 = 7443135574051411
BaseRepresentation
bin101111110010111011000011…
…0101011111001111101100111
32001010120021221111111122212112
41133211312012223321331213
5420101040143124104021
64050052013535111235
7154360663632603320
oct13745660653717547
92033507844448775
10420415133425511
11111a59069689664
123b19b32967251b
1315077c91533873
1475b62b58a1447
153390e6827ad5b
hex17e5d86af9f67

420415133425511 has 8 divisors (see below), whose sum is σ = 481559030615424. Its totient is φ = 359542384339320.

The previous prime is 420415133425493. The next prime is 420415133425517. The reversal of 420415133425511 is 115524331514024.

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

It is not a de Polignac number, because 420415133425511 - 210 = 420415133424487 is a prime.

It is a super-2 number, since 2×4204151334255112 (a number of 30 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 (420415133425517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67787022605 + ... + 67787028806.

It is an arithmetic number, because the mean of its divisors is an integer number (60194878826928).

Almost surely, 2420415133425511 is an apocalyptic number.

420415133425511 is a deficient number, since it is larger than the sum of its proper divisors (61143897189913).

420415133425511 is a wasteful number, since it uses less digits than its factorization.

420415133425511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135574051861.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 420415133425511 its reverse (115524331514024), we get a palindrome (535939464939535).

The spelling of 420415133425511 in words is "four hundred twenty trillion, four hundred fifteen billion, one hundred thirty-three million, four hundred twenty-five thousand, five hundred eleven".

Divisors: 1 7 443 3101 135574051411 949018359877 60059304775073 420415133425511