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76144928920 = 2351903623223
BaseRepresentation
bin100011011101010010…
…1110110100010011000
321021112200010011122121
41012322211312202120
52221421100211140
654551442031024
75333641134214
oct1067245664230
9237480104577
1076144928920
112a324911125
1212910948474
137246558078
143984b8d944
151ea9d2564a
hex11ba976898

76144928920 has 16 divisors (see below), whose sum is σ = 171326090160. Its totient is φ = 30457971552.

The previous prime is 76144928917. The next prime is 76144928921. The reversal of 76144928920 is 2982944167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76144928921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951811572 + ... + 951811651.

It is an arithmetic number, because the mean of its divisors is an integer number (10707880635).

Almost surely, 276144928920 is an apocalyptic number.

It is an amenable number.

76144928920 is an abundant number, since it is smaller than the sum of its proper divisors (95181161240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76144928920 is a wasteful number, since it uses less digits than its factorization.

76144928920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903623234 (or 1903623230 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 76144928920 in words is "seventy-six billion, one hundred forty-four million, nine hundred twenty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1903623223 3807246446 7614492892 9518116115 15228985784 19036232230 38072464460 76144928920