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1440424102164 = 223971561979229
BaseRepresentation
bin10100111101011111111…
…101111000100100010100
312002200222122001221202220
4110331133331320210110
5142044442032232124
63021415515302340
7206032023565215
oct24753775704424
95080878057686
101440424102164
11505975943593
121b31b714a9b0
13a5aa67b9358
144da0725340c
1527706ebb879
hex14f5ff78914

1440424102164 has 48 divisors (see below), whose sum is σ = 3395899214400. Its totient is φ = 475155035136.

The previous prime is 1440424102151. The next prime is 1440424102259. The reversal of 1440424102164 is 4612014240441.

It is a congruent number.

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, 18140902 + ... + 18220130.

It is an arithmetic number, because the mean of its divisors is an integer number (70747900300).

Almost surely, 21440424102164 is an apocalyptic number.

It is an amenable number.

1440424102164 is an abundant number, since it is smaller than the sum of its proper divisors (1955475112236).

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

1440424102164 is a wasteful number, since it uses less digits than its factorization.

1440424102164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94952 (or 94950 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 1440424102164 in words is "one trillion, four hundred forty billion, four hundred twenty-four million, one hundred two thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 15619 31238 46857 62476 79229 93714 158458 187428 237687 316916 475374 950748 1515043 3030086 4545129 6060172 7685213 9090258 15370426 18180516 23055639 30740852 46111278 92222556 1237477751 2474955502 3712433253 4949911004 7424866506 14849733012 120035341847 240070683694 360106025541 480141367388 720212051082 1440424102164