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310343030020 = 22537419382473
BaseRepresentation
bin1001000010000011110…
…00101101010100000100
31002200001100011101121001
410201001320231110010
520041040303430040
6354323012103044
731264406141662
oct4410170552404
91080040141531
10310343030020
1110a6856058a1
1250191304a84
132335a90190a
1411040a79c32
15811572a59a
hex4841e2d504

310343030020 has 24 divisors (see below), whose sum is σ = 669334428504. Its totient is φ = 120782151936.

The previous prime is 310343030017. The next prime is 310343030027. The reversal of 310343030020 is 20030343013.

It can be written as a sum of positive squares in 4 ways, for example, as 47660129344 + 262682900676 = 218312^2 + 512526^2 .

It is a super-3 number, since 3×3103430300203 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310343030020.

It is not an unprimeable number, because it can be changed into a prime (310343030027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209690497 + ... + 209691976.

It is an arithmetic number, because the mean of its divisors is an integer number (27888934521).

Almost surely, 2310343030020 is an apocalyptic number.

It is an amenable number.

310343030020 is an abundant number, since it is smaller than the sum of its proper divisors (358991398484).

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

310343030020 is a wasteful number, since it uses less digits than its factorization.

310343030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419382519 (or 419382517 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 310343030020 its reverse (20030343013), we get a palindrome (330373373033).

The spelling of 310343030020 in words is "three hundred ten billion, three hundred forty-three million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 419382473 838764946 1677529892 2096912365 4193824730 8387649460 15517151501 31034303002 62068606004 77585757505 155171515010 310343030020