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2992313261 = 78339712973
BaseRepresentation
bin1011001001011011…
…0001001110101101
321201112120021010002
42302112301032231
522112013011021
61212531354045
7134103146240
oct26226611655
97645507102
102992313261
1112a60a0273
126b6152925
13388c22882
142055a5257
15127a7650b
hexb25b13ad

2992313261 has 16 divisors (see below), whose sum is σ = 3469974144. Its totient is φ = 2527360704.

The previous prime is 2992313251. The next prime is 2992313281. The reversal of 2992313261 is 1623132992.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2992313261 - 210 = 2992312237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992313251) 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 15 ways as a sum of consecutive naturals, for example, 224171 + ... + 237143.

It is an arithmetic number, because the mean of its divisors is an integer number (216873384).

Almost surely, 22992313261 is an apocalyptic number.

It is an amenable number.

2992313261 is a deficient number, since it is larger than the sum of its proper divisors (477660883).

2992313261 is a wasteful number, since it uses less digits than its factorization.

2992313261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460.

The product of its digits is 34992, while the sum is 38.

The square root of 2992313261 is about 54702.0407388975. The cubic root of 2992313261 is about 1441.0167171915.

The spelling of 2992313261 in words is "two billion, nine hundred ninety-two million, three hundred thirteen thousand, two hundred sixty-one".

Divisors: 1 7 83 397 581 2779 12973 32951 90811 230657 1076759 5150281 7537313 36051967 427473323 2992313261