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420511115024 = 247111326255689
BaseRepresentation
bin1100001111010000110…
…10100110011100010000
31111012102010211222020122
412013220122212130100
523342201321140044
6521102524325412
742244441334120
oct6075032463420
91435363758218
10420511115024
1115237961a730
12695b83a3868
1330866b902b0
14164d22d4c80
15ae12475dee
hex61e86a6710

420511115024 has 80 divisors (see below), whose sum is σ = 1093917068160. Its totient is φ = 151232762880.

The previous prime is 420511114981. The next prime is 420511115039.

It is a happy number.

420511115024 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 420511114984 and 420511115002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13111829 + ... + 13143860.

It is an arithmetic number, because the mean of its divisors is an integer number (13673963352).

Almost surely, 2420511115024 is an apocalyptic number.

420511115024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420511115024 is an abundant number, since it is smaller than the sum of its proper divisors (673405953136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420511115024 is a wasteful number, since it uses less digits than its factorization.

420511115024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255728 (or 26255722 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

It can be divided in two parts, 420511 and 115024, that added together give a palindrome (535535).

The spelling of 420511115024 in words is "four hundred twenty billion, five hundred eleven million, one hundred fifteen thousand, twenty-four".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 44 52 56 77 88 91 104 112 143 154 176 182 208 286 308 364 572 616 728 1001 1144 1232 1456 2002 2288 4004 8008 16016 26255689 52511378 105022756 183789823 210045512 288812579 341323957 367579646 420091024 577625158 682647914 735159292 1155250316 1365295828 1470318584 2021688053 2310500632 2389267699 2730591656 2940637168 3754563527 4043376106 4621001264 4778535398 5461183312 7509127054 8086752212 9557070796 15018254108 16173504424 19114141592 26281944689 30036508216 32347008848 38228283184 52563889378 60073016432 105127778756 210255557512 420511115024