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1081725253 = 73119126099
BaseRepresentation
bin100000001111001…
…1101000101000101
32210101110100002021
41000132131011011
54203410202003
6255201043141
735543340640
oct10036350505
92711410067
101081725253
11505673214
122623264b1
1314315291b
14a3942a57
1564e762bd
hex4079d145

1081725253 has 16 divisors (see below), whose sum is σ = 1282867200. Its totient is φ = 892551600.

The previous prime is 1081725241. The next prime is 1081725277. The reversal of 1081725253 is 3525271801.

It is a cyclic number.

It is not a de Polignac number, because 1081725253 - 217 = 1081594181 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 (1081725223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28398 + ... + 54496.

It is an arithmetic number, because the mean of its divisors is an integer number (80179200).

Almost surely, 21081725253 is an apocalyptic number.

It is an amenable number.

1081725253 is a deficient number, since it is larger than the sum of its proper divisors (201141947).

1081725253 is a wasteful number, since it uses less digits than its factorization.

1081725253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26328.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1081725253 is about 32889.5918642965. The cubic root of 1081725253 is about 1026.5315997870.

The spelling of 1081725253 in words is "one billion, eighty-one million, seven hundred twenty-five thousand, two hundred fifty-three".

Divisors: 1 7 31 191 217 1337 5921 26099 41447 182693 809069 4984909 5663483 34894363 154532179 1081725253