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2968448691 = 313372057137
BaseRepresentation
bin1011000011101110…
…1110111010110011
321122212122211002010
42300323232322303
522034410324231
61210320054003
7133363253235
oct26073567263
97585584063
102968448691
11129368048a
126aa164303
13383cb8420
14202352255
15125910546
hexb0eeeeb3

2968448691 has 16 divisors (see below), whose sum is σ = 4377589664. Its totient is φ = 1777365504.

The previous prime is 2968448683. The next prime is 2968448731. The reversal of 2968448691 is 1968448692.

It is not a de Polignac number, because 2968448691 - 23 = 2968448683 is a prime.

It is a super-2 number, since 2×29684486912 = 17623375262199226962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2968440691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027126 + ... + 1030011.

It is an arithmetic number, because the mean of its divisors is an integer number (273599354).

Almost surely, 22968448691 is an apocalyptic number.

2968448691 is a deficient number, since it is larger than the sum of its proper divisors (1409140973).

2968448691 is a wasteful number, since it uses less digits than its factorization.

2968448691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057190.

The product of its digits is 5971968, while the sum is 57.

The square root of 2968448691 is about 54483.4717230831. The cubic root of 2968448691 is about 1437.1756450896.

Subtracting from 2968448691 its reverse (1968448692), we obtain a palindrome (999999999).

The spelling of 2968448691 in words is "two billion, nine hundred sixty-eight million, four hundred forty-eight thousand, six hundred ninety-one".

Divisors: 1 3 13 37 39 111 481 1443 2057137 6171411 26742781 76114069 80228343 228342207 989482897 2968448691