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2078075121 = 31740746571
BaseRepresentation
bin111101111011100…
…1110100011110001
312100211021011011020
41323313032203301
513223441400441
6542112210053
7102332230023
oct17367164361
95324234136
102078075121
11977023661
1249bb39929
132716b2565
14159dc0013
15c2685e66
hex7bdce8f1

2078075121 has 8 divisors (see below), whose sum is σ = 2933753184. Its totient is φ = 1303890240.

The previous prime is 2078075117. The next prime is 2078075123. The reversal of 2078075121 is 1215708702.

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

It is not a de Polignac number, because 2078075121 - 22 = 2078075117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078075123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20373235 + ... + 20373336.

It is an arithmetic number, because the mean of its divisors is an integer number (366719148).

Almost surely, 22078075121 is an apocalyptic number.

It is an amenable number.

2078075121 is a deficient number, since it is larger than the sum of its proper divisors (855678063).

2078075121 is a wasteful number, since it uses less digits than its factorization.

2078075121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40746591.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 2078075121 is about 45585.9092373948. The cubic root of 2078075121 is about 1276.1069706625.

The spelling of 2078075121 in words is "two billion, seventy-eight million, seventy-five thousand, one hundred twenty-one".

Divisors: 1 3 17 51 40746571 122239713 692691707 2078075121