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2049121207 = 71042928069
BaseRepresentation
bin111101000100011…
…0001101110110111
312021210210010212001
41322020301232313
513144033334312
6535155440131
7101531146210
oct17210615667
95253703761
102049121207
11961748101
124922b6047
132686b5773
14156204407
15bed67057
hex7a231bb7

2049121207 has 8 divisors (see below), whose sum is σ = 2342160800. Its totient is φ = 1756158624.

The previous prime is 2049121199. The next prime is 2049121241. The reversal of 2049121207 is 7021219402.

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 2049121207 - 23 = 2049121199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049125207) 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, 58969 + ... + 87037.

It is an arithmetic number, because the mean of its divisors is an integer number (292770100).

Almost surely, 22049121207 is an apocalyptic number.

2049121207 is a deficient number, since it is larger than the sum of its proper divisors (293039593).

2049121207 is a wasteful number, since it uses less digits than its factorization.

2049121207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38505.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2049121207 is about 45267.2200052091. The cubic root of 2049121207 is about 1270.1525447616.

It can be divided in two parts, 2049 and 121207, that added together give a triangular number (123256 = T496).

The spelling of 2049121207 in words is "two billion, forty-nine million, one hundred twenty-one thousand, two hundred seven".

Divisors: 1 7 10429 28069 73003 196483 292731601 2049121207