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76872466069 = 7193274120759
BaseRepresentation
bin100011110010111110…
…1001011111010010101
321100102101002212222221
41013211331023322111
52224413322403234
655151551422341
75360654115610
oct1074575137225
9240371085887
1076872466069
112a6685595a3
1212a945249b1
1373311b9419
143a13655177
151eedb36eb4
hex11e5f4be95

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".

Divisors: 1 7 193 1351 2741 19187 20759 145313 529013 3703091 4006487 28045409 56900419 398302933 10981780867 76872466069