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311411241040 = 24538031023571
BaseRepresentation
bin1001000100000011000…
…11100111000001010000
31002202210210012010122011
410202001203213001100
520100232234203130
6355021011352304
731333026605554
oct4420143470120
91082723163564
10311411241040
11110083588619
125042abb2694
132349b002243
14111028a1864
1581793d252a
hex48818e7050

311411241040 has 40 divisors (see below), whose sum is σ = 724222227168. Its totient is φ = 124531620480.

The previous prime is 311411241019. The next prime is 311411241091. The reversal of 311411241040 is 40142114113.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3114112410402 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 207546 + ... + 816025.

Almost surely, 2311411241040 is an apocalyptic number.

It is an amenable number.

311411241040 is an abundant number, since it is smaller than the sum of its proper divisors (412810986128).

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

311411241040 is a wasteful number, since it uses less digits than its factorization.

311411241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027387 (or 1027381 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 311411241040 its reverse (40142114113), we get a palindrome (351553355153).

The spelling of 311411241040 in words is "three hundred eleven billion, four hundred eleven million, two hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3803 7606 15212 19015 30424 38030 60848 76060 152120 304240 1023571 2047142 4094284 5117855 8188568 10235710 16377136 20471420 40942840 81885680 3892640513 7785281026 15570562052 19463202565 31141124104 38926405130 62282248208 77852810260 155705620520 311411241040