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34680499420 = 2257247717853
BaseRepresentation
bin100000010011000111…
…100110110011011100
310022111221110220112111
4200103013212303130
51032011201440140
623533151243404
72335262244520
oct402307466334
9108457426474
1034680499420
1113787268576
12687a519564
133368c88b98
14196dcdbd80
15d7e9bd7ea
hex8131e6cdc

34680499420 has 24 divisors (see below), whose sum is σ = 83233198944. Its totient is φ = 11890456896.

The previous prime is 34680499411. The next prime is 34680499421. The reversal of 34680499420 is 2499408643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34680499421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123858787 + ... + 123859066.

It is an arithmetic number, because the mean of its divisors is an integer number (3468049956).

Almost surely, 234680499420 is an apocalyptic number.

It is an amenable number.

34680499420 is an abundant number, since it is smaller than the sum of its proper divisors (48552699524).

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

34680499420 is a wasteful number, since it uses less digits than its factorization.

34680499420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247717869 (or 247717867 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

It can be divided in two parts, 346804 and 99420, that added together give a square (446224 = 6682).

The spelling of 34680499420 in words is "thirty-four billion, six hundred eighty million, four hundred ninety-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 247717853 495435706 990871412 1238589265 1734024971 2477178530 3468049942 4954357060 6936099884 8670124855 17340249710 34680499420