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76405505501 = 138447695791
BaseRepresentation
bin100011100101000011…
…1110111110111011101
321022012211102211112002
41013022013313313131
52222434302134001
655033351052045
75343254036543
oct1071207676735
9238184384462
1076405505501
112a448a09176
1212984071025
1372885318b0
1439ab61dd93
151ec2b4846b
hex11ca1f7ddd

76405505501 has 8 divisors (see below), whose sum is σ = 82292711424. Its totient is φ = 70519708080.

The previous prime is 76405505489. The next prime is 76405505509. The reversal of 76405505501 is 10550550467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76405505501 - 210 = 76405504477 is a prime.

It is a super-2 number, since 2×764055055012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76405505509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238085 + ... + 457706.

It is an arithmetic number, because the mean of its divisors is an integer number (10286588928).

Almost surely, 276405505501 is an apocalyptic number.

It is an amenable number.

76405505501 is a deficient number, since it is larger than the sum of its proper divisors (5887205923).

76405505501 is a wasteful number, since it uses less digits than its factorization.

76405505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704251.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 76405505501 in words is "seventy-six billion, four hundred five million, five hundred five thousand, five hundred one".

Divisors: 1 13 8447 109811 695791 9045283 5877346577 76405505501