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76122727001 = 521146108881
BaseRepresentation
bin100011011100101000…
…1001010001001011001
321021111010100012100022
41012321101022021121
52221344404231001
654545330120225
75333251334456
oct1067121121131
9237433305308
1076122727001
112a313327532
1212905420075
137241a83639
143981c5082d
151ea7ddc11b
hex11b944a259

76122727001 has 4 divisors (see below), whose sum is σ = 76268836404. Its totient is φ = 75976617600.

The previous prime is 76122726961. The next prime is 76122727003. The reversal of 76122727001 is 10072722167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10072722167 = 24917404251.

It can be written as a sum of positive squares in 2 ways, for example, as 43180840000 + 32941887001 = 207800^2 + 181499^2 .

It is a cyclic number.

It is not a de Polignac number, because 76122727001 - 218 = 76122464857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76122727003) 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, 73053920 + ... + 73054961.

It is an arithmetic number, because the mean of its divisors is an integer number (19067209101).

Almost surely, 276122727001 is an apocalyptic number.

It is an amenable number.

76122727001 is a deficient number, since it is larger than the sum of its proper divisors (146109403).

76122727001 is a wasteful number, since it uses less digits than its factorization.

76122727001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146109402.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 76122727001 in words is "seventy-six billion, one hundred twenty-two million, seven hundred twenty-seven thousand, one".

Divisors: 1 521 146108881 76122727001