Search a number
-
+
1151813068 = 2272911312553
BaseRepresentation
bin100010010100111…
…0100010111001100
32222021100011111021
41010221310113030
54324331004233
6310143203524
740354151410
oct10451642714
92867304437
101151813068
1154119422a
122818a65a4
131548223c3
14acd88d40
156b1bce2d
hex44a745cc

1151813068 has 48 divisors (see below), whose sum is σ = 2404342080. Its totient is φ = 472356864.

The previous prime is 1151813011. The next prime is 1151813081. The reversal of 1151813068 is 8603181511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85480 + ... + 98032.

It is an arithmetic number, because the mean of its divisors is an integer number (50090460).

Almost surely, 21151813068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151813068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202171040).

1151813068 is an abundant number, since it is smaller than the sum of its proper divisors (1252529012).

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

1151813068 is a wasteful number, since it uses less digits than its factorization.

1151813068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12706 (or 12704 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1151813068 is about 33938.3716167998. The cubic root of 1151813068 is about 1048.2398531777.

Adding to 1151813068 its reverse (8603181511), we get a palindrome (9754994579).

The spelling of 1151813068 in words is "one billion, one hundred fifty-one million, eight hundred thirteen thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 29 58 113 116 203 226 406 452 791 812 1582 3164 3277 6554 12553 13108 22939 25106 45878 50212 87871 91756 175742 351484 364037 728074 1418489 1456148 2548259 2836978 5096518 5673956 9929423 10193036 19858846 39717692 41136181 82272362 164544724 287953267 575906534 1151813068