Search a number
-
+
1357276778880 = 273511417919841
BaseRepresentation
bin10011110000000100000…
…000000001000110000000
311210202100221201021212220
4103300010000001012000
5134214200323411010
62515305131451040
7200026404160041
oct23600400010600
94722327637786
101357276778880
114836883a2990
1219b0712b6a80
139acb55ca589
144999a4c28c8
152548c557970
hex13c04001180

1357276778880 has 512 divisors, whose sum is σ = 4896180172800. Its totient is φ = 316932096000.

The previous prime is 1357276778873. The next prime is 1357276778903. The reversal of 1357276778880 is 888776727531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68397760 + ... + 68417600.

It is an arithmetic number, because the mean of its divisors is an integer number (9562851900).

Almost surely, 21357276778880 is an apocalyptic number.

1357276778880 is a gapful number since it is divisible by the number (10) 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 1357276778880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448090086400).

1357276778880 is an abundant number, since it is smaller than the sum of its proper divisors (3538903393920).

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

1357276778880 is a wasteful number, since it uses less digits than its factorization.

1357276778880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19994 (or 19982 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 69.

The spelling of 1357276778880 in words is "one trillion, three hundred fifty-seven billion, two hundred seventy-six million, seven hundred seventy-eight thousand, eight hundred eighty".