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130611553 = 6113715629
BaseRepresentation
bin1111100100011…
…11100101100001
3100002202202100221
413302033211201
5231414032203
620543243041
73144115462
oct762174541
9302682327
10130611553
11677aa436
12378a9481
13210a0c57
14134bcd69
15b6eeabd
hex7c8f961

130611553 has 8 divisors (see below), whose sum is σ = 133730280. Its totient is φ = 127524480.

The previous prime is 130611541. The next prime is 130611571. The reversal of 130611553 is 355116031.

It can be written as a sum of positive squares in 4 ways, for example, as 31270464 + 99341089 = 5592^2 + 9967^2 .

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 130611553 - 217 = 130480481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130611353) 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, 543 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (16716285).

Almost surely, 2130611553 is an apocalyptic number.

It is an amenable number.

130611553 is a deficient number, since it is larger than the sum of its proper divisors (3118727).

130611553 is a wasteful number, since it uses less digits than its factorization.

130611553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15827.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 130611553 is about 11428.5411579956. The cubic root of 130611553 is about 507.3728193689.

Adding to 130611553 its reverse (355116031), we get a palindrome (485727584).

The spelling of 130611553 in words is "one hundred thirty million, six hundred eleven thousand, five hundred fifty-three".

Divisors: 1 61 137 8357 15629 953369 2141173 130611553