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130693455644 = 221731599831069
BaseRepresentation
bin111100110110111101…
…1111101111100011100
3110111100020210102221012
41321231323331330130
54120130011040034
6140012330154352
712304464020633
oct1715573757434
9414306712835
10130693455644
1150477059674
12213b4b829b8
13c42a76220b
14647b61c51a
1535edb91cce
hex1e6defdf1c

130693455644 has 96 divisors (see below), whose sum is σ = 254712729600. Its totient is φ = 58395847680.

The previous prime is 130693455643. The next prime is 130693455649. The reversal of 130693455644 is 446554396031.

It is a junction number, because it is equal to n+sod(n) for n = 130693455592 and 130693455601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130693455643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122257142 + ... + 122258210.

It is an arithmetic number, because the mean of its divisors is an integer number (2653257600).

Almost surely, 2130693455644 is an apocalyptic number.

It is an amenable number.

130693455644 is a deficient number, since it is larger than the sum of its proper divisors (124019273956).

130693455644 is a wasteful number, since it uses less digits than its factorization.

130693455644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 130693455644 in words is "one hundred thirty billion, six hundred ninety-three million, four hundred fifty-five thousand, six hundred forty-four".

Divisors: 1 2 4 17 31 34 59 62 68 118 124 236 527 983 1003 1054 1069 1829 1966 2006 2108 2138 3658 3932 4012 4276 7316 16711 18173 30473 31093 33139 33422 36346 57997 60946 62186 63071 66278 66844 72692 115994 121892 124372 126142 132556 231988 252284 518041 563363 985949 1036082 1050827 1072207 1126726 1797907 1955201 1971898 2072164 2101654 2144414 2253452 3595814 3910402 3943796 4203308 4288828 7191628 7820804 17864059 30564419 32575637 33238417 35728118 61128838 61998793 65151274 66476834 71456236 122257676 123997586 130302548 132953668 247995172 553785829 1053979481 1107571658 1921962583 2107958962 2215143316 3843925166 4215917924 7687850332 32673363911 65346727822 130693455644