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64552238514127 = 71317971753924527
BaseRepresentation
bin11101010110101101111010…
…01111101111111111001111
322110120010121111021101212101
432223112331033233333033
531430110441024423002
6345142520004215531
716411513435032220
oct1653267517577717
9273503544241771
1064552238514127
11196284a5849aa1
1272a67a609a5a7
132a0333325c480
1411d24b8a11247
1576e24280e587
hex3ab5bd3effcf

64552238514127 has 64 divisors (see below), whose sum is σ = 84997926236160. Its totient is φ = 47569709776896.

The previous prime is 64552238514061. The next prime is 64552238514131. The reversal of 64552238514127 is 72141583225546.

It is a cyclic number.

It is not a de Polignac number, because 64552238514127 - 211 = 64552238512079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64552238514157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2631872538 + ... + 2631897064.

It is an arithmetic number, because the mean of its divisors is an integer number (1328092597440).

Almost surely, 264552238514127 is an apocalyptic number.

64552238514127 is a deficient number, since it is larger than the sum of its proper divisors (20445687722033).

64552238514127 is a wasteful number, since it uses less digits than its factorization.

64552238514127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42200.

The product of its digits is 16128000, while the sum is 55.

The spelling of 64552238514127 in words is "sixty-four trillion, five hundred fifty-two billion, two hundred thirty-eight million, five hundred fourteen thousand, one hundred twenty-seven".

Divisors: 1 7 13 17 91 97 119 221 679 1261 1547 1649 8827 11543 17539 21437 24527 122773 150059 171689 228007 298163 318851 416959 1596049 1701283 2087141 2231957 2379119 2918713 3876119 5420467 11908981 16653833 22116679 27132833 28921811 30928547 37943269 40445023 154816753 202452677 216499829 283115161 375983543 430179053 525785299 2631884801 3011253371 3680497093 5592327689 7313043901 39146293823 41727368141 51191307307 95069570713 292091576987 542455785833 665486994991 709365258397 3797190500831 4965556808779 9221748359161 64552238514127