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6994942045 = 5713232512663
BaseRepresentation
bin1101000001110111…
…00101100001011101
3200001111012212120121
412200323211201131
5103311201121140
63114033514541
7335225012020
oct64073454135
920044185517
106994942045
112a6a50a543
121432712a51
13876254980
144a50011b7
152ae16a64a
hex1a0ee585d

6994942045 has 64 divisors (see below), whose sum is σ = 10827177984. Its totient is φ = 4216608000.

The previous prime is 6994942033. The next prime is 6994942057. The reversal of 6994942045 is 5402494996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6994942033) and next prime (6994942057).

It is not a de Polignac number, because 6994942045 - 221 = 6992844893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6994941983 and 6994942001.

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 63 ways as a sum of consecutive naturals, for example, 2625384 + ... + 2628046.

It is an arithmetic number, because the mean of its divisors is an integer number (169174656).

Almost surely, 26994942045 is an apocalyptic number.

6994942045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6994942045 is a deficient number, since it is larger than the sum of its proper divisors (3832235939).

6994942045 is a wasteful number, since it uses less digits than its factorization.

6994942045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 6994942045 is about 83635.7701285760. The cubic root of 6994942045 is about 1912.4703327165.

The spelling of 6994942045 in words is "six billion, nine hundred ninety-four million, nine hundred forty-two thousand, forty-five".

Divisors: 1 5 7 13 23 35 65 91 115 161 251 299 455 805 1255 1495 1757 2093 2663 3263 5773 8785 10465 13315 16315 18641 22841 28865 34619 40411 61249 75049 93205 114205 173095 202055 242333 306245 375245 428743 525343 668413 796237 1211665 2143715 2626715 3342065 3981185 4678891 5573659 8689369 15373499 23394455 27868295 43446845 60825583 76867495 107614493 199855487 304127915 538072465 999277435 1398988409 6994942045