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2146977012 = 223732450887
BaseRepresentation
bin111111111111000…
…0100010011110100
312112121220201210010
41333332010103310
513344111231022
6553013100220
7104130001125
oct17776042364
95477821703
102146977012
11a01a04674
124bb027670
13282a582cb
141651d804c
15c874650c
hex7ff844f4

2146977012 has 24 divisors (see below), whose sum is σ = 5078239936. Its totient is φ = 705855168.

The previous prime is 2146976989. The next prime is 2146977017. The reversal of 2146977012 is 2107796412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146977017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224568 + ... + 1226319.

Almost surely, 22146977012 is an apocalyptic number.

It is an amenable number.

2146977012 is an abundant number, since it is smaller than the sum of its proper divisors (2931262924).

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

2146977012 is a wasteful number, since it uses less digits than its factorization.

2146977012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450967 (or 2450965 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2146977012 is about 46335.4832930444. The cubic root of 2146977012 is about 1290.0576886646.

The spelling of 2146977012 in words is "two billion, one hundred forty-six million, nine hundred seventy-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 2450887 4901774 7352661 9803548 14705322 29410644 178914751 357829502 536744253 715659004 1073488506 2146977012