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1445415133780 = 225271266681759
BaseRepresentation
bin10101000010001001011…
…101001010001001010100
312010011212110120122000201
4111002021131022021110
5142140202233240110
63024003050350244
7206266506630622
oct25021135121124
95104773518021
101445415133780
11507aa7185502
121b416a72b384
13a63c0827ab7
144dd5c05c512
15278ea250b3a
hex1508974a254

1445415133780 has 24 divisors (see below), whose sum is σ = 3046572426240. Its totient is φ = 576032597280.

The previous prime is 1445415133769. The next prime is 1445415133787. The reversal of 1445415133780 is 873315145441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445415133780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445415133787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133335460 + ... + 133346299.

It is an arithmetic number, because the mean of its divisors is an integer number (126940517760).

Almost surely, 21445415133780 is an apocalyptic number.

1445415133780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445415133780 is an abundant number, since it is smaller than the sum of its proper divisors (1601157292460).

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

1445415133780 is a wasteful number, since it uses less digits than its factorization.

1445415133780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266682039 (or 266682037 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1445415133780 in words is "one trillion, four hundred forty-five billion, four hundred fifteen million, one hundred thirty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 266681759 533363518 1066727036 1333408795 2666817590 5333635180 72270756689 144541513378 289083026756 361353783445 722707566890 1445415133780