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2992421521 = 29472195467
BaseRepresentation
bin1011001001011100…
…1011101010010001
321201112202202121201
42302113023222101
522112024442041
61212533551201
7134104106665
oct26227135221
97645682551
102992421521
1112a6164641
126b61a5501
13388c5cc2b
142055d28a5
15127a98631
hexb25cba91

2992421521 has 8 divisors (see below), whose sum is σ = 3161473920. Its totient is φ = 2827760208.

The previous prime is 2992421507. The next prime is 2992421543. The reversal of 2992421521 is 1251242992.

2992421521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2992421521 - 25 = 2992421489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992421561) 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, 1096371 + ... + 1099096.

It is an arithmetic number, because the mean of its divisors is an integer number (395184240).

Almost surely, 22992421521 is an apocalyptic number.

It is an amenable number.

2992421521 is a deficient number, since it is larger than the sum of its proper divisors (169052399).

2992421521 is a wasteful number, since it uses less digits than its factorization.

2992421521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195543.

The product of its digits is 25920, while the sum is 37.

The square root of 2992421521 is about 54703.0302725544. The cubic root of 2992421521 is about 1441.0340953396.

It can be divided in two parts, 299242 and 1521, that added together give a cube (300763 = 673).

The spelling of 2992421521 in words is "two billion, nine hundred ninety-two million, four hundred twenty-one thousand, five hundred twenty-one".

Divisors: 1 29 47 1363 2195467 63668543 103186949 2992421521