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310031104040 = 23571151961993
BaseRepresentation
bin1001000001011110100…
…10110011100000101000
31002122020121012220120222
410200233102303200220
520034420430312130
6354232030305212
731253600621540
oct4405722634050
91078217186528
10310031104040
1110a535526229
1250104958208
132330b0b9728
1411011480320
1580e8162ce5
hex482f4b3828

310031104040 has 64 divisors (see below), whose sum is σ = 797916303360. Its totient is φ = 106203916800.

The previous prime is 310031104001. The next prime is 310031104063. The reversal of 310031104040 is 40401130013.

It is a super-2 number, since 2×3100311040402 (a number of 24 digits) contains 22 as substring.

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, 158717 + ... + 803276.

It is an arithmetic number, because the mean of its divisors is an integer number (12467442240).

Almost surely, 2310031104040 is an apocalyptic number.

It is an amenable number.

310031104040 is an abundant number, since it is smaller than the sum of its proper divisors (487885199320).

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

310031104040 is a wasteful number, since it uses less digits than its factorization.

310031104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963162 (or 963158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 310031104040 its reverse (40401130013), we get a palindrome (350432234053).

The spelling of 310031104040 in words is "three hundred ten billion, thirty-one million, one hundred four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1151 2302 4604 5755 8057 9208 11510 16114 23020 32228 40285 46040 64456 80570 161140 322280 961993 1923986 3847972 4809965 6733951 7695944 9619930 13467902 19239860 26935804 33669755 38479720 53871608 67339510 134679020 269358040 1107253943 2214507886 4429015772 5536269715 7750777601 8858031544 11072539430 15501555202 22145078860 31003110404 38753888005 44290157720 62006220808 77507776010 155015552020 310031104040