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311014020140 = 225157929106619
BaseRepresentation
bin1001000011010011110…
…00010101010000101100
31002201210002202012222222
410201221320111100230
520043424042121030
6354513341454512
731320134360255
oct4415170252054
91081702665888
10311014020140
1110a99a34068a
1250339b71438
13234369248a5
14110a5c21b2c
1581545bc3e5
hex4869e1542c

311014020140 has 48 divisors (see below), whose sum is σ = 658003197600. Its totient is φ = 123478996992.

The previous prime is 311014020131. The next prime is 311014020157. The reversal of 311014020140 is 41020410113.

It is a happy number.

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, 2863751 + ... + 2970369.

It is an arithmetic number, because the mean of its divisors is an integer number (13708399950).

Almost surely, 2311014020140 is an apocalyptic number.

It is an amenable number.

311014020140 is an abundant number, since it is smaller than the sum of its proper divisors (346989177460).

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

311014020140 is a wasteful number, since it uses less digits than its factorization.

311014020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107714 (or 107712 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 311014020140 its reverse (41020410113), we get a palindrome (352034430253).

The spelling of 311014020140 in words is "three hundred eleven billion, fourteen million, twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 157 314 628 785 929 1570 1858 3140 3716 4645 9290 18580 106619 145853 213238 291706 426476 533095 583412 729265 1066190 1458530 2132380 2917060 16739183 33478366 66956732 83695915 99049051 167391830 198098102 334783660 396196204 495245255 990490510 1980981020 15550701007 31101402014 62202804028 77753505035 155507010070 311014020140