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1012287873949 = 11263349909393
BaseRepresentation
bin11101011101100010000…
…11110010001110011101
310120202220002020002122121
432232301003302032131
5113041131143431244
62053012202142541
7133064302646302
oct16566103621635
93522802202577
101012287873949
11360344129520
121442311b1a51
13745c5c73981
1436dd039d0a9
151b4ea3ecc84
hexebb10f239d

1012287873949 has 8 divisors (see below), whose sum is σ = 1108512960192. Its totient is φ = 916762607040.

The previous prime is 1012287873941. The next prime is 1012287873997. The reversal of 1012287873949 is 9493787822101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012287873949 - 23 = 1012287873941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012287873941) 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, 174951804 + ... + 174957589.

It is an arithmetic number, because the mean of its divisors is an integer number (138564120024).

Almost surely, 21012287873949 is an apocalyptic number.

It is an amenable number.

1012287873949 is a deficient number, since it is larger than the sum of its proper divisors (96225086243).

1012287873949 is a wasteful number, since it uses less digits than its factorization.

1012287873949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349909667.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 1012287873949 in words is "one trillion, twelve billion, two hundred eighty-seven million, eight hundred seventy-three thousand, nine hundred forty-nine".

Divisors: 1 11 263 2893 349909393 3849003323 92026170359 1012287873949