Search a number
-
+
1577340090144 = 253271364393601
BaseRepresentation
bin10110111101000000110…
…010111011011100100000
312120210101112122210100200
4112331000302323130200
5201320343030341034
63204341532145200
7221646646355640
oct26750062733440
95523345583320
101577340090144
11558a453a5865
12215848008200
13b5986460560
14564b504a520
152b06c0a1a99
hex16f40cbb720

1577340090144 has 288 divisors, whose sum is σ = 5529335220864. Its totient is φ = 415350374400.

The previous prime is 1577340090113. The next prime is 1577340090149. The reversal of 1577340090144 is 4410900437751.

It is a happy number.

1577340090144 is a `hidden beast` number, since 1 + 57 + 73 + 400 + 90 + 1 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 1577340090144.

It is not an unprimeable number, because it can be changed into a prime (1577340090149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16804944 + ... + 16898544.

It is an arithmetic number, because the mean of its divisors is an integer number (19199080628).

Almost surely, 21577340090144 is an apocalyptic number.

1577340090144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1577340090144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764667610432).

1577340090144 is an abundant number, since it is smaller than the sum of its proper divisors (3951995130720).

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

1577340090144 is a wasteful number, since it uses less digits than its factorization.

1577340090144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94280 (or 94269 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 1577340090144 in words is "one trillion, five hundred seventy-seven billion, three hundred forty million, ninety thousand, one hundred forty-four".