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34190817661 = 72112131937631
BaseRepresentation
bin11111110101111011…
…100111100101111101
310021020211001111110001
4133311323213211331
51030010322131121
623412415514301
72320165104100
oct376573474575
9107224044401
1034190817661
1113555909400
126762528991
1332bb6a7470
141924c70737
15d519e2991
hex7f5ee797d

34190817661 has 144 divisors (see below), whose sum is σ = 50978282880. Its totient is φ = 22632825600.

The previous prime is 34190817613. The next prime is 34190817671. The reversal of 34190817661 is 16671809143.

It is not a de Polignac number, because 34190817661 - 211 = 34190815613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34190817671) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 54184816 + ... + 54185446.

Almost surely, 234190817661 is an apocalyptic number.

It is an amenable number.

34190817661 is a deficient number, since it is larger than the sum of its proper divisors (16787465219).

34190817661 is a wasteful number, since it uses less digits than its factorization.

34190817661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 34190817661 in words is "thirty-four billion, one hundred ninety million, eight hundred seventeen thousand, six hundred sixty-one".

Divisors: 1 7 11 13 19 37 49 77 91 121 133 143 209 247 259 407 481 539 631 637 703 847 931 1001 1463 1573 1729 1813 2299 2717 2849 3367 4417 4477 4921 5291 5929 6941 7007 7733 8203 9139 10241 11011 11989 12103 16093 19019 19943 23347 23569 29887 30919 31339 34447 37037 48587 54131 57421 58201 63973 76351 77077 83923 85063 90233 100529 112651 131879 133133 155857 163429 209209 219373 256817 259259 303511 340109 378917 401947 407407 443593 447811 534457 587461 595441 631631 703703 923153 992563 1090999 1105819 1144003 1450669 1464463 1714427 1797719 2124577 2824987 2851849 3105151 3338621 3741199 4168087 4421417 4879523 4925921 5766709 6462071 6947941 7636993 7740733 10154683 12000989 12584033 14872039 18858697 19774909 21736057 23370347 34156661 36724831 40366963 48635587 53674753 54185131 63433799 71082781 84006923 132010879 138424363 163592429 239096627 257073817 282568741 375723271 444036593 697771789 924076153 1799516719 2630062897 3108256151 4884402523 34190817661