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77004230769 = 3319150105713
BaseRepresentation
bin100011110110111001…
…1110101000001110001
321100202120001020012000
41013231303311001301
52230201040341034
655213015524213
75364144106344
oct1075563650161
9240676036160
1077004230769
112a725976344
1212b10689669
1373525a21bb
143a26d5445b
15200a4b3599
hex11edcf5071

77004230769 has 16 divisors (see below), whose sum is σ = 120084571200. Its totient is φ = 48634250688.

The previous prime is 77004230767. The next prime is 77004230791. The reversal of 77004230769 is 96703240077.

It is a happy number.

It is not a de Polignac number, because 77004230769 - 21 = 77004230767 is a prime.

It is a super-2 number, since 2×770042307692 (a number of 23 digits) contains 22 as substring.

77004230769 is a modest number, since divided by 230769 gives 77004 as remainder.

It is not an unprimeable number, because it can be changed into a prime (77004230767) 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, 75052344 + ... + 75053369.

It is an arithmetic number, because the mean of its divisors is an integer number (7505285700).

Almost surely, 277004230769 is an apocalyptic number.

It is an amenable number.

77004230769 is a deficient number, since it is larger than the sum of its proper divisors (43080340431).

77004230769 is a wasteful number, since it uses less digits than its factorization.

77004230769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150105741 (or 150105735 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 77004230769 in words is "seventy-seven billion, four million, two hundred thirty thousand, seven hundred sixty-nine".

Divisors: 1 3 9 19 27 57 171 513 150105713 450317139 1350951417 2852008547 4052854251 8556025641 25668076923 77004230769