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420112211024 = 24112217000109
BaseRepresentation
bin1100001110100001010…
…00111001110001010000
31111011101100020112211102
412013100220321301100
523340342211223044
6520555154403532
742231525605522
oct6072050716120
91434340215742
10420112211024
11152194433200
12695068905a8
133080234381c
1416495337a12
15addc42c24e
hex61d0a39c50

420112211024 has 30 divisors (see below), whose sum is σ = 894691453530. Its totient is φ = 190960095040.

The previous prime is 420112210979. The next prime is 420112211027.

420112211024 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 412960464400 + 7151746624 = 642620^2 + 84568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420112210987 and 420112211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420112211027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108498119 + ... + 108501990.

It is an arithmetic number, because the mean of its divisors is an integer number (29823048451).

Almost surely, 2420112211024 is an apocalyptic number.

420112211024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420112211024 is an abundant number, since it is smaller than the sum of its proper divisors (474579242506).

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

420112211024 is a wasteful number, since it uses less digits than its factorization.

420112211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217000139 (or 217000122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 420112 and 211024, that added together give a palindrome (631136).

The spelling of 420112211024 in words is "four hundred twenty billion, one hundred twelve million, two hundred eleven thousand, twenty-four".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1936 217000109 434000218 868000436 1736000872 2387001199 3472001744 4774002398 9548004796 19096009592 26257013189 38192019184 52514026378 105028052756 210056105512 420112211024