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1204520101 = 9744328031
BaseRepresentation
bin100011111001011…
…1000010010100101
310002221111221221121
41013302320102211
54431324120401
6315305013541
741564152261
oct10762702245
93087457847
101204520101
11568a13864
122974842b1
131627179b5
14b5d890a1
1570b2eca1
hex47cb84a5

1204520101 has 8 divisors (see below), whose sum is σ = 1219728384. Its totient is φ = 1189368960.

The previous prime is 1204520069. The next prime is 1204520111. The reversal of 1204520101 is 1010254021.

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 1204520101 - 25 = 1204520069 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 (1204520111) 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, 28956 + ... + 56986.

It is an arithmetic number, because the mean of its divisors is an integer number (152466048).

Almost surely, 21204520101 is an apocalyptic number.

It is an amenable number.

1204520101 is a deficient number, since it is larger than the sum of its proper divisors (15208283).

1204520101 is an equidigital number, since it uses as much as digits as its factorization.

1204520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1204520101 is about 34706.1968674184. The cubic root of 1204520101 is about 1063.9911540924.

Adding to 1204520101 its reverse (1010254021), we get a palindrome (2214774122).

The spelling of 1204520101 in words is "one billion, two hundred four million, five hundred twenty thousand, one hundred one".

Divisors: 1 97 443 28031 42971 2719007 12417733 1204520101