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766381000071 = 319107125656829
BaseRepresentation
bin10110010011011111101…
…11100000010110000111
32201021011102001121000010
423021233313200112013
5100024022014000241
61344023124321303
7106240431005661
oct13115767402607
92637142047003
10766381000071
11276025105535
12104643543233
1357366bb12cb
1429143423531
1514e06b01d16
hexb26fde0587

766381000071 has 16 divisors (see below), whose sum is σ = 1085675011200. Its totient is φ = 479506455648.

The previous prime is 766381000031. The next prime is 766381000183. The reversal of 766381000071 is 170000183667.

It is not a de Polignac number, because 766381000071 - 222 = 766376805767 is a prime.

It is a super-2 number, since 2×7663810000712 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766380999993 and 766381000029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766381000031) 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, 62822316 + ... + 62834513.

It is an arithmetic number, because the mean of its divisors is an integer number (67854688200).

Almost surely, 2766381000071 is an apocalyptic number.

766381000071 is a deficient number, since it is larger than the sum of its proper divisors (319294011129).

766381000071 is a wasteful number, since it uses less digits than its factorization.

766381000071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125656958.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 766381000071 in words is "seven hundred sixty-six billion, three hundred eighty-one million, seventy-one", and thus it is an aban number.

Divisors: 1 3 19 57 107 321 2033 6099 125656829 376970487 2387479751 7162439253 13445280703 40335842109 255460333357 766381000071