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1204200101 = 1392630777
BaseRepresentation
bin100011111000110…
…1010001010100101
310002220220200222202
41013301222022211
54431233400401
6315254104245
741561350316
oct10761521245
93086820882
101204200101
115688153a5
1229734b085
13162635150
14b5d0460d
1570aba06b
hex47c6a2a5

1204200101 has 4 divisors (see below), whose sum is σ = 1296830892. Its totient is φ = 1111569312.

The previous prime is 1204200097. The next prime is 1204200133. The reversal of 1204200101 is 1010024021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 572884225 + 631315876 = 23935^2 + 25126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204200101 - 22 = 1204200097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204200401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46315376 + ... + 46315401.

It is an arithmetic number, because the mean of its divisors is an integer number (324207723).

Almost surely, 21204200101 is an apocalyptic number.

It is an amenable number.

1204200101 is a deficient number, since it is larger than the sum of its proper divisors (92630791).

1204200101 is an equidigital number, since it uses as much as digits as its factorization.

1204200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92630790.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1204200101 is about 34701.5864334759. The cubic root of 1204200101 is about 1063.8969236669.

Adding to 1204200101 its reverse (1010024021), we get a palindrome (2214224122).

The spelling of 1204200101 in words is "one billion, two hundred four million, two hundred thousand, one hundred one".

Divisors: 1 13 92630777 1204200101