Base | Representation |
---|---|
bin | 100011110010111110… |
… | …1001011111010010101 |
3 | 21100102101002212222221 |
4 | 1013211331023322111 |
5 | 2224413322403234 |
6 | 55151551422341 |
7 | 5360654115610 |
oct | 1074575137225 |
9 | 240371085887 |
10 | 76872466069 |
11 | 2a6685595a3 |
12 | 12a945249b1 |
13 | 73311b9419 |
14 | 3a13655177 |
15 | 1eedb36eb4 |
hex | 11e5f4be95 |
76872466069 has 16 divisors (see below), whose sum is σ = 88345923840. Its totient is φ = 65522211840.
The previous prime is 76872466057. The next prime is 76872466091. The reversal of 76872466069 is 96066427867.
It is a cyclic number.
It is not a de Polignac number, because 76872466069 - 25 = 76872466037 is a prime.
It is a super-2 number, since 2×768724660692 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 76872465998 and 76872466016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76872466049) 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, 3692712 + ... + 3713470.
It is an arithmetic number, because the mean of its divisors is an integer number (5521620240).
Almost surely, 276872466069 is an apocalyptic number.
It is an amenable number.
76872466069 is a deficient number, since it is larger than the sum of its proper divisors (11473457771).
76872466069 is a wasteful number, since it uses less digits than its factorization.
76872466069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23700.
The product of its (nonzero) digits is 36578304, while the sum is 61.
The spelling of 76872466069 in words is "seventy-six billion, eight hundred seventy-two million, four hundred sixty-six thousand, sixty-nine".
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