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11400203240 = 235357179811
BaseRepresentation
bin10101001111000000…
…10100101111101000
31002102111111022212122
422213200110233220
5141321423000430
65123121530412
7552336062066
oct124740245750
932374438778
1011400203240
114920132478
122261aa3a08
1310c8b0a5ba
147a20c9036
1546ac92ee5
hex2a7814be8

11400203240 has 32 divisors (see below), whose sum is σ = 25657961760. Its totient is φ = 4558747200.

The previous prime is 11400203239. The next prime is 11400203257. The reversal of 11400203240 is 4230200411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102935 + ... + 182745.

It is an arithmetic number, because the mean of its divisors is an integer number (801811305).

Almost surely, 211400203240 is an apocalyptic number.

11400203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11400203240 is an abundant number, since it is smaller than the sum of its proper divisors (14257758520).

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

11400203240 is a wasteful number, since it uses less digits than its factorization.

11400203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83393 (or 83389 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 11400203240 its reverse (4230200411), we get a palindrome (15630403651).

The spelling of 11400203240 in words is "eleven billion, four hundred million, two hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3571 7142 14284 17855 28568 35710 71420 79811 142840 159622 319244 399055 638488 798110 1596220 3192440 285005081 570010162 1140020324 1425025405 2280040648 2850050810 5700101620 11400203240