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130665553 = 1723334183
BaseRepresentation
bin1111100100111…
…00110001010001
3100002212111102221
413302130301101
5231422244203
620544341041
73144432064
oct762346121
9302774387
10130665553
1167836a67
1237914781
13210bc6c5
14134d48db
15b710abd
hex7c9cc51

130665553 has 8 divisors (see below), whose sum is σ = 144367488. Its totient is φ = 117632064.

The previous prime is 130665551. The next prime is 130665559. The reversal of 130665553 is 355566031.

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 130665553 - 21 = 130665551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130665551) 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, 166701 + ... + 167482.

It is an arithmetic number, because the mean of its divisors is an integer number (18045936).

Almost surely, 2130665553 is an apocalyptic number.

It is an amenable number.

130665553 is a deficient number, since it is larger than the sum of its proper divisors (13701935).

130665553 is a wasteful number, since it uses less digits than its factorization.

130665553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334223.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 130665553 is about 11430.9034201151. The cubic root of 130665553 is about 507.4427324219.

The spelling of 130665553 in words is "one hundred thirty million, six hundred sixty-five thousand, five hundred fifty-three".

Divisors: 1 17 23 391 334183 5681111 7686209 130665553