Search a number
-
+
11401302540 = 22351801105509
BaseRepresentation
bin10101001111001001…
…00001001000001100
31002102120120011211110
422213210201020030
5141322213140130
65123201252020
7552351321045
oct124744411014
932376504743
1011401302540
114920813391
122262334010
1310c9103a84
147a22d38cc
1546ae0dab0
hex2a792120c

11401302540 has 48 divisors (see below), whose sum is σ = 31941675360. Its totient is φ = 3038630400.

The previous prime is 11401302487. The next prime is 11401302587. The reversal of 11401302540 is 4520310411.

It is a super-2 number, since 2×114013025402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55306 + ... + 160814.

It is an arithmetic number, because the mean of its divisors is an integer number (665451570).

Almost surely, 211401302540 is an apocalyptic number.

11401302540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401302540 is an abundant number, since it is smaller than the sum of its proper divisors (20540372820).

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

11401302540 is a wasteful number, since it uses less digits than its factorization.

11401302540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107322 (or 107320 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11401302540 its reverse (4520310411), we get a palindrome (15921612951).

The spelling of 11401302540 in words is "eleven billion, four hundred one million, three hundred two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1801 3602 5403 7204 9005 10806 18010 21612 27015 36020 54030 105509 108060 211018 316527 422036 527545 633054 1055090 1266108 1582635 2110180 3165270 6330540 190021709 380043418 570065127 760086836 950108545 1140130254 1900217090 2280260508 2850325635 3800434180 5700651270 11401302540