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13195557670 = 2529412274889
BaseRepresentation
bin11000100101000010…
…00011101100100110
31021001121202210011011
430102201003230212
5204011030321140
610021214332434
7644666250421
oct142241035446
937047683134
1013195557670
115661603869
1226831ba11a
131323a61cb9
148d27129b8
155236cecea
hex312843b26

13195557670 has 64 divisors (see below), whose sum is σ = 25286385600. Its totient is φ = 4949002240.

The previous prime is 13195557647. The next prime is 13195557671. The reversal of 13195557670 is 7675559131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13195557671) 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, 2696586 + ... + 2701474.

It is an arithmetic number, because the mean of its divisors is an integer number (395099775).

Almost surely, 213195557670 is an apocalyptic number.

13195557670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13195557670 is a deficient number, since it is larger than the sum of its proper divisors (12090827930).

13195557670 is a wasteful number, since it uses less digits than its factorization.

13195557670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193.

The product of its (nonzero) digits is 992250, while the sum is 49.

The spelling of 13195557670 in words is "thirteen billion, one hundred ninety-five million, five hundred fifty-seven thousand, six hundred seventy".

Divisors: 1 2 5 10 29 41 58 82 145 205 227 290 410 454 1135 1189 2270 2378 4889 5945 6583 9307 9778 11890 13166 18614 24445 32915 46535 48890 65830 93070 141781 200449 269903 283562 400898 539806 708905 1002245 1109803 1349515 1417810 2004490 2219606 2699030 5549015 5813021 11098030 11626042 29065105 32184287 45501923 58130210 64368574 91003846 160921435 227509615 321842870 455019230 1319555767 2639111534 6597778835 13195557670