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1440214242100 = 225278171842413
BaseRepresentation
bin10100111101010011011…
…101010101001100110100
312002200110000011221212221
4110331103131111030310
5142044024321221400
63021343021252124
7206023565033254
oct24752335251464
95080400157787
101440214242100
11505878436617
121b3158a04044
13a5a7218c0ba
144d9c7425964
15276e3865c1a
hex14f53755334

1440214242100 has 36 divisors (see below), whose sum is σ = 3125666405484. Its totient is φ = 576011687680.

The previous prime is 1440214242067. The next prime is 1440214242157. The reversal of 1440214242100 is 12424120441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 233828339364 + 1206385902736 = 483558^2 + 1098356^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139507 + ... + 1702906.

It is an arithmetic number, because the mean of its divisors is an integer number (86824066819).

Almost surely, 21440214242100 is an apocalyptic number.

1440214242100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440214242100 is an abundant number, since it is smaller than the sum of its proper divisors (1685452163384).

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

1440214242100 is a wasteful number, since it uses less digits than its factorization.

1440214242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850244 (or 1850237 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1440214242100 its reverse (12424120441), we get a palindrome (1452638362541).

The spelling of 1440214242100 in words is "one trillion, four hundred forty billion, two hundred fourteen million, two hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 7817 15634 31268 39085 78170 156340 195425 390850 781700 1842413 3684826 7369652 9212065 18424130 36848260 46060325 92120650 184241300 14402142421 28804284842 57608569684 72010712105 144021424210 288042848420 360053560525 720107121050 1440214242100