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130453655 = 5157166183
BaseRepresentation
bin1111100011010…
…01000010010111
3100002110201202212
413301221002113
5231344004110
620540024035
73142560233
oct761510227
9302421685
10130453655
1167701842
123783201b
1321047117
141347b5c3
15b6bce05
hex7c69097

130453655 has 8 divisors (see below), whose sum is σ = 157542432. Its totient is φ = 103697568.

The previous prime is 130453649. The next prime is 130453657. The reversal of 130453655 is 556354031.

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 130453655 - 212 = 130449559 is a prime.

It is a super-2 number, since 2×1304536552 = 34036312205718050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130453657) 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, 82307 + ... + 83876.

It is an arithmetic number, because the mean of its divisors is an integer number (19692804).

Almost surely, 2130453655 is an apocalyptic number.

130453655 is a deficient number, since it is larger than the sum of its proper divisors (27088777).

130453655 is a wasteful number, since it uses less digits than its factorization.

130453655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166345.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 130453655 is about 11421.6310131259. The cubic root of 130453655 is about 507.1682803967.

The spelling of 130453655 in words is "one hundred thirty million, four hundred fifty-three thousand, six hundred fifty-five".

Divisors: 1 5 157 785 166183 830915 26090731 130453655