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140301321220 = 225531119711821
BaseRepresentation
bin1000001010101010011…
…1000100010000000100
3111102010211200120202101
42002222213010100010
54244314114234340
6144241544121444
713064540360554
oct2025247042004
9442124616671
10140301321220
1154557490245
1223236766284
13102cc133288
146b0d667164
1539b23e1c9a
hex20aa9c4404

140301321220 has 48 divisors (see below), whose sum is σ = 300244090608. Its totient is φ = 55052075520.

The previous prime is 140301321179. The next prime is 140301321229. The reversal of 140301321220 is 22123103041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12440725444 + 127860595776 = 111538^2 + 357576^2 .

It is not an unprimeable number, because it can be changed into a prime (140301321229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11862910 + ... + 11874730.

It is an arithmetic number, because the mean of its divisors is an integer number (6255085221).

Almost surely, 2140301321220 is an apocalyptic number.

140301321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140301321220 is an abundant number, since it is smaller than the sum of its proper divisors (159942769388).

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

140301321220 is a wasteful number, since it uses less digits than its factorization.

140301321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080 (or 23078 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 140301321220 its reverse (22123103041), we get a palindrome (162424424261).

The spelling of 140301321220 in words is "one hundred forty billion, three hundred one million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 11197 11821 22394 23642 44788 47284 55985 59105 111970 118210 223940 236420 593441 626513 1186882 1253026 2373764 2506052 2967205 3132565 5934410 6265130 11868820 12530260 132359737 264719474 529438948 661798685 1323597370 2647194740 7015066061 14030132122 28060264244 35075330305 70150660610 140301321220