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1201325305 = 52319975231
BaseRepresentation
bin100011110011010…
…1100010011111001
310002201111122111211
41013212230103321
54430014402210
6315112323121
741525045065
oct10746542371
93081448454
101201325305
11567131534
122963a34a1
13161b6979b
14b5796aa5
15706ed38a
hex479ac4f9

1201325305 has 16 divisors (see below), whose sum is σ = 1505309184. Its totient is φ = 918639040.

The previous prime is 1201325291. The next prime is 1201325341. The reversal of 1201325305 is 5035231021.

It is not a de Polignac number, because 1201325305 - 29 = 1201324793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227040 + ... + 232270.

It is an arithmetic number, because the mean of its divisors is an integer number (94081824).

Almost surely, 21201325305 is an apocalyptic number.

It is an amenable number.

1201325305 is a deficient number, since it is larger than the sum of its proper divisors (303983879).

1201325305 is a wasteful number, since it uses less digits than its factorization.

1201325305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1201325305 is about 34660.1400026024. The cubic root of 1201325305 is about 1063.0496326725.

Adding to 1201325305 its reverse (5035231021), we get a palindrome (6236556326).

The spelling of 1201325305 in words is "one billion, two hundred one million, three hundred twenty-five thousand, three hundred five".

Divisors: 1 5 23 115 1997 5231 9985 26155 45931 120313 229655 601565 10446307 52231535 240265061 1201325305