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135730107661 = 163832700047
BaseRepresentation
bin111111001101000100…
…1010001010100001101
3110222100021010212121111
41332122021101110031
54210433401421121
6142204211132021
712543342610411
oct1763211212415
9428307125544
10135730107661
115262111a8a5
122237b8a4011
13ca51084795
1467d8500d41
1537e5e382e1
hex1f9a25150d

135730107661 has 4 divisors (see below), whose sum is σ = 136562807872. Its totient is φ = 134897407452.

The previous prime is 135730107613. The next prime is 135730107769. The reversal of 135730107661 is 166701037531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135730107661 - 229 = 135193236749 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 (135730107061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416349861 + ... + 416350186.

It is an arithmetic number, because the mean of its divisors is an integer number (34140701968).

Almost surely, 2135730107661 is an apocalyptic number.

It is an amenable number.

135730107661 is a deficient number, since it is larger than the sum of its proper divisors (832700211).

135730107661 is an equidigital number, since it uses as much as digits as its factorization.

135730107661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832700210.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 135730107661 in words is "one hundred thirty-five billion, seven hundred thirty million, one hundred seven thousand, six hundred sixty-one".

Divisors: 1 163 832700047 135730107661