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423140301303220 = 22521157015065161
BaseRepresentation
bin110000000110110000000011…
…1010110010110110110110100
32001111012211002010122120022101
41200031200013112112312310
5420430212314113200340
64055535545412311444
7155061610061425564
oct14015400726266664
92044184063576271
10423140301303220
11112909880928076
123b55b512912584
1315214c614896a7
14766c15801cda4
1533dbcb4ae4c9a
hex180d807596db4

423140301303220 has 12 divisors (see below), whose sum is σ = 888594632736804. Its totient is φ = 169256120521280.

The previous prime is 423140301303211. The next prime is 423140301303281. The reversal of 423140301303220 is 22303103041324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57709516635684 + 365430784667536 = 7596678^2 + 19116244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10578507532561 + ... + 10578507532600.

It is an arithmetic number, because the mean of its divisors is an integer number (74049552728067).

Almost surely, 2423140301303220 is an apocalyptic number.

It is an amenable number.

423140301303220 is an abundant number, since it is smaller than the sum of its proper divisors (465454331433584).

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

423140301303220 is a wasteful number, since it uses less digits than its factorization.

423140301303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21157015065170 (or 21157015065168 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423140301303220 its reverse (22303103041324), we get a palindrome (445443404344544).

The spelling of 423140301303220 in words is "four hundred twenty-three trillion, one hundred forty billion, three hundred one million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 21157015065161 42314030130322 84628060260644 105785075325805 211570150651610 423140301303220