Search a number
-
+
1157004471678 = 231117530370783
BaseRepresentation
bin10000110101100010110…
…101110010110101111110
311002121102122000222010120
4100311202311302311332
5122424021121043203
62243304233115410
7146406435512346
oct20654265626576
94077378028116
101157004471678
11406756952310
1216829a558b66
1385149a583a3
143dddc199d26
152016a244b53
hex10d62d72d7e

1157004471678 has 16 divisors (see below), whose sum is σ = 2524373392896. Its totient is φ = 350607415640.

The previous prime is 1157004471677. The next prime is 1157004471713. The reversal of 1157004471678 is 8761744007511.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157004471678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157004471671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8765185326 + ... + 8765185457.

It is an arithmetic number, because the mean of its divisors is an integer number (157773337056).

Almost surely, 21157004471678 is an apocalyptic number.

1157004471678 is an abundant number, since it is smaller than the sum of its proper divisors (1367368921218).

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

1157004471678 is a wasteful number, since it uses less digits than its factorization.

1157004471678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530370799.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 1157004471678 in words is "one trillion, one hundred fifty-seven billion, four million, four hundred seventy-one thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 17530370783 35060741566 52591112349 105182224698 192834078613 385668157226 578502235839 1157004471678