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14231331020 = 2257310219547
BaseRepresentation
bin11010100000100000…
…01110000011001100
31100201210202112002002
431100100032003030
5213121210043040
610312054451432
71012444213664
oct152020160314
940653675062
1014231331020
1160432406a5
122912063b78
13145a515c3a
149900d31a4
155845caa15
hex35040e0cc

14231331020 has 48 divisors (see below), whose sum is σ = 30328038048. Its totient is φ = 5608465920.

The previous prime is 14231331013. The next prime is 14231331031. The reversal of 14231331020 is 2013313241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14231330983 and 14231331001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485887 + ... + 1495433.

It is an arithmetic number, because the mean of its divisors is an integer number (631834126).

Almost surely, 214231331020 is an apocalyptic number.

14231331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14231331020 is an abundant number, since it is smaller than the sum of its proper divisors (16096707028).

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

14231331020 is a wasteful number, since it uses less digits than its factorization.

14231331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650 (or 10648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 14231331020 its reverse (2013313241), we get a palindrome (16244644261).

The spelling of 14231331020 in words is "fourteen billion, two hundred thirty-one million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1021 1460 2042 4084 5105 9547 10210 19094 20420 38188 47735 74533 95470 149066 190940 298132 372665 696931 745330 1393862 1490660 2787724 3484655 6969310 9747487 13938620 19494974 38989948 48737435 97474870 194949740 711566551 1423133102 2846266204 3557832755 7115665510 14231331020