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6866187424157 = 47149980463719
BaseRepresentation
bin110001111101010100010…
…1010011001000110011101
3220022101211101222210220202
41203322220222121012131
51344443422440033112
622334141041353245
71306031345065325
oct143725052310635
926271741883822
106866187424157
112207a2a888596
1292a868338825
133aa62b905579
1419a47a684285
15bd912cd86c2
hex63ea8a9919d

6866187424157 has 8 divisors (see below), whose sum is σ = 7059338784000. Its totient is φ = 6674996992144.

The previous prime is 6866187424141. The next prime is 6866187424169. The reversal of 6866187424157 is 7514247816686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6866187424157 - 24 = 6866187424141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6866187424093 and 6866187424102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866187427157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490224857 + ... + 490238862.

It is an arithmetic number, because the mean of its divisors is an integer number (882417348000).

Almost surely, 26866187424157 is an apocalyptic number.

It is an amenable number.

6866187424157 is a deficient number, since it is larger than the sum of its proper divisors (193151359843).

6866187424157 is a wasteful number, since it uses less digits than its factorization.

6866187424157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980463915.

The product of its digits is 108380160, while the sum is 65.

The spelling of 6866187424157 in words is "six trillion, eight hundred sixty-six billion, one hundred eighty-seven million, four hundred twenty-four thousand, one hundred fifty-seven".

Divisors: 1 47 149 7003 980463719 46081794793 146089094131 6866187424157