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2691030242 = 22539529939
BaseRepresentation
bin1010000001100101…
…1101110011100010
320221112122111111202
42200121131303202
521002400431432
61123010041202
7123454244135
oct24031356342
96845574452
102691030242
11116101a93a
12631279202
1333b695ab4
141b757a21c
1510b3b2462
hexa065dce2

2691030242 has 8 divisors (see below), whose sum is σ = 4038142800. Its totient is φ = 1344982644.

The previous prime is 2691030241. The next prime is 2691030253. The reversal of 2691030242 is 2420301962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2691030241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259892 + ... + 270047.

It is an arithmetic number, because the mean of its divisors is an integer number (504767850).

Almost surely, 22691030242 is an apocalyptic number.

2691030242 is a deficient number, since it is larger than the sum of its proper divisors (1347112558).

2691030242 is a wasteful number, since it uses less digits than its factorization.

2691030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532480.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2691030242 is about 51875.1408865557. The cubic root of 2691030242 is about 1390.9329419975.

The spelling of 2691030242 in words is "two billion, six hundred ninety-one million, thirty thousand, two hundred forty-two".

Divisors: 1 2 2539 5078 529939 1059878 1345515121 2691030242