Search a number
-
+
1478386060321 = 792153912
BaseRepresentation
bin10101100000110110101…
…011010000110000100001
312020022222021012020110011
4111200312223100300201
5143210213312412241
63051054452004521
7211544533113112
oct25406653206041
95208867166404
101478386060321
1151aa86431625
121ba630600741
13a95465650a1
14517a8ca2209
15286c9ac9281
hex15836ad0c21

1478386060321 has 9 divisors (see below), whose sum is σ = 1497433983633. Its totient is φ = 1459577473380.

The previous prime is 1478386060301. The next prime is 1478386060357. The reversal of 1478386060321 is 1230606838741.

The square root of 1478386060321 is 1215889.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1478386060321 - 211 = 1478386058273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478386060301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 96047536 + ... + 96062926.

It is an arithmetic number, because the mean of its divisors is an integer number (166381553737).

Almost surely, 21478386060321 is an apocalyptic number.

1478386060321 is the 1215889-th square number.

1478386060321 is the 607945-th centered octagonal number.

It is an amenable number.

1478386060321 is a deficient number, since it is larger than the sum of its proper divisors (19047923312).

1478386060321 is an frugal number, since it uses more digits than its factorization.

1478386060321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30940 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

Multiplying 1478386060321 by its sum of digits (49), we get a square (72440916955729 = 85112232).

The spelling of 1478386060321 in words is "one trillion, four hundred seventy-eight billion, three hundred eighty-six million, sixty thousand, three hundred twenty-one".

Divisors: 1 79 6241 15391 1215889 96055231 236882881 18713747599 1478386060321