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420071714644 = 221709197931051
BaseRepresentation
bin1100001110011100011…
…10011010111101010100
31111011021112001010020111
412013032032122331110
523340301324332034
6520551150412404
742230524442341
oct6071616327524
91434245033214
10420071714644
1115217359371a
12694b5201104
13307c6b3507a
141648dbd57c8
15add8acd364
hex61ce39af54

420071714644 has 24 divisors (see below), whose sum is σ = 735951031200. Its totient is φ = 209800130400.

The previous prime is 420071714617. The next prime is 420071714651. The reversal of 420071714644 is 446417170024.

It is a junction number, because it is equal to n+sod(n) for n = 420071714597 and 420071714606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13512919 + ... + 13543969.

It is an arithmetic number, because the mean of its divisors is an integer number (30664626300).

Almost surely, 2420071714644 is an apocalyptic number.

It is an amenable number.

420071714644 is a deficient number, since it is larger than the sum of its proper divisors (315879316556).

420071714644 is a wasteful number, since it uses less digits than its factorization.

420071714644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34743 (or 34741 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

Adding to 420071714644 its reverse (446417170024), we get a palindrome (866488884668).

The spelling of 420071714644 in words is "four hundred twenty billion, seventy-one million, seven hundred fourteen thousand, six hundred forty-four".

Divisors: 1 2 4 1709 1979 3418 3958 6836 7916 31051 62102 124204 3382111 6764222 13528444 53066159 61449929 106132318 122899858 212264636 245799716 105017928661 210035857322 420071714644