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2743907121 = 321392193371
BaseRepresentation
bin1010001110001100…
…1011001100110001
321002020010220221200
42203203023030301
521104420011441
61132135241413
7124665553134
oct24343131461
97066126850
102743907121
11118895603a
12646b19269
1334961a7a7
141c05c221b
15110d597b6
hexa38cb331

2743907121 has 12 divisors (see below), whose sum is σ = 3991937040. Its totient is φ = 1816110360.

The previous prime is 2743907119. The next prime is 2743907129. The reversal of 2743907121 is 1217093472.

It is not a de Polignac number, because 2743907121 - 21 = 2743907119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2743907129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1095435 + ... + 1097936.

It is an arithmetic number, because the mean of its divisors is an integer number (332661420).

Almost surely, 22743907121 is an apocalyptic number.

It is an amenable number.

2743907121 is a deficient number, since it is larger than the sum of its proper divisors (1248029919).

2743907121 is a wasteful number, since it uses less digits than its factorization.

2743907121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193516 (or 2193513 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2743907121 is about 52382.3168731586. The cubic root of 2743907121 is about 1399.9842040735.

The spelling of 2743907121 in words is "two billion, seven hundred forty-three million, nine hundred seven thousand, one hundred twenty-one".

Divisors: 1 3 9 139 417 1251 2193371 6580113 19740339 304878569 914635707 2743907121