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3801613994 = 21900806997
BaseRepresentation
bin1110001010011000…
…0000011010101010
3100210221102000000022
43202212000122222
530241203121434
61425121440442
7163131120503
oct34246003252
910727360008
103801613994
111680a03952
128a11a0122
134877b0c49
14280c71baa
15173b3922e
hexe29806aa

3801613994 has 4 divisors (see below), whose sum is σ = 5702420994. Its totient is φ = 1900806996.

The previous prime is 3801613987. The next prime is 3801614017. The reversal of 3801613994 is 4993161083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4993161083 = 12739316229.

It can be written as a sum of positive squares in only one way, i.e., 3796161769 + 5452225 = 61613^2 + 2335^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950403497 + ... + 950403500.

Almost surely, 23801613994 is an apocalyptic number.

3801613994 is a deficient number, since it is larger than the sum of its proper divisors (1900807000).

3801613994 is a wasteful number, since it uses less digits than its factorization.

3801613994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900806999.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 3801613994 is about 61657.2298599280. The cubic root of 3801613994 is about 1560.7116512526.

The spelling of 3801613994 in words is "three billion, eight hundred one million, six hundred thirteen thousand, nine hundred ninety-four".

Divisors: 1 2 1900806997 3801613994