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2690946042 = 232326374143
BaseRepresentation
bin1010000001100100…
…1001001111111010
320221112111020000020
42200121021033322
521002340233132
61123004151310
7123453443511
oct24031111772
96845436006
102690946042
111160a72654
12631238536
1333b666685
141b7557678
1510b39752c
hexa06493fa

2690946042 has 32 divisors (see below), whose sum is σ = 5637316608. Its totient is φ = 854708976.

The previous prime is 2690946029. The next prime is 2690946067. The reversal of 2690946042 is 2406490962.

It is a junction number, because it is equal to n+sod(n) for n = 2690945985 and 2690946003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778 + ... + 73365.

It is an arithmetic number, because the mean of its divisors is an integer number (176166144).

Almost surely, 22690946042 is an apocalyptic number.

2690946042 is an abundant number, since it is smaller than the sum of its proper divisors (2946370566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2690946042 is a wasteful number, since it uses less digits than its factorization.

2690946042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74434.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 2690946042 is about 51874.3293161463. The cubic root of 2690946042 is about 1390.9184348181.

The spelling of 2690946042 in words is "two billion, six hundred ninety million, nine hundred forty-six thousand, forty-two".

Divisors: 1 2 3 6 23 46 69 138 263 526 789 1578 6049 12098 18147 36294 74143 148286 222429 444858 1705289 3410578 5115867 10231734 19499609 38999218 58498827 116997654 448491007 896982014 1345473021 2690946042