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6900013830 = 235230000461
BaseRepresentation
bin1100110110100010…
…11101101100000110
3122210212121000112210
412123101131230012
5103112400420310
63100403124250
7332663102253
oct63321355406
918725530483
106900013830
112a20972576
121406973686
1385c698828
1449657042a
152a5b68820
hex19b45db06

6900013830 has 16 divisors (see below), whose sum is σ = 16560033264. Its totient is φ = 1840003680.

The previous prime is 6900013807. The next prime is 6900013849. The reversal of 6900013830 is 383100096.

It is a super-2 number, since 2×69000138302 = 95220381708382537800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 230000461 = 6900013830 / (6 + 9 + 0 + 0 + 0 + 1 + 3 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

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, 115000201 + ... + 115000260.

It is an arithmetic number, because the mean of its divisors is an integer number (1035002079).

Almost surely, 26900013830 is an apocalyptic number.

6900013830 is an abundant number, since it is smaller than the sum of its proper divisors (9660019434).

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

6900013830 is a wasteful number, since it uses less digits than its factorization.

6900013830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230000471.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6900013830 is about 83066.3218759564. The cubic root of 6900013830 is about 1903.7795339071.

The spelling of 6900013830 in words is "six billion, nine hundred million, thirteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 230000461 460000922 690001383 1150002305 1380002766 2300004610 3450006915 6900013830