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64157184053733 = 3113238179485187
BaseRepresentation
bin11101001011001110000100…
…01010100101000111100101
322102011100220110121110211010
432211213002022211013211
531402122403104204413
6344241223052132433
716341126554363061
oct1645470212450745
9272140813543733
1064157184053733
11194959aa907811
127242113167119
1329a4cc53c2334
1411bb31d5b4aa1
15763d201b0dc3
hex3a59c22a51e5

64157184053733 has 16 divisors (see below), whose sum is σ = 86336175324096. Its totient is φ = 42375142360320.

The previous prime is 64157184053723. The next prime is 64157184053741. The reversal of 64157184053733 is 33735048175146.

It is not a de Polignac number, because 64157184053733 - 25 = 64157184053701 is a prime.

It is a super-2 number, since 2×641571840537332 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64157184053723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38935435 + ... + 40549752.

It is an arithmetic number, because the mean of its divisors is an integer number (5396010957756).

Almost surely, 264157184053733 is an apocalyptic number.

It is an amenable number.

64157184053733 is a deficient number, since it is larger than the sum of its proper divisors (22178991270363).

64157184053733 is a wasteful number, since it uses less digits than its factorization.

64157184053733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79487684.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 64157184053733 in words is "sixty-four trillion, one hundred fifty-seven billion, one hundred eighty-four million, fifty-three thousand, seven hundred thirty-three".

Divisors: 1 3 113 339 2381 7143 269053 807159 79485187 238455561 8981826131 26945478393 189254230247 567762690741 21385728017911 64157184053733