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76667060520 = 23345181239547
BaseRepresentation
bin100011101100110110…
…1101000000100101000
321022220001121012120000
41013121231220010220
52224003231414040
655115333103000
75352611155611
oct1073155500450
9238801535500
1076667060520
112a572614346
1212a37787a60
1372ca78b88b
1439d4266c08
151edaab1130
hex11d9b68128

76667060520 has 320 divisors, whose sum is σ = 260670009600. Its totient is φ = 20209512960.

The previous prime is 76667060471. The next prime is 76667060521. The reversal of 76667060520 is 2506076667.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (76667060521) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 140158887 + ... + 140159433.

It is an arithmetic number, because the mean of its divisors is an integer number (814593780).

Almost surely, 276667060520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76667060520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130335004800).

76667060520 is an abundant number, since it is smaller than the sum of its proper divisors (184002949080).

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

76667060520 is a wasteful number, since it uses less digits than its factorization.

76667060520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 76667060520 in words is "seventy-six billion, six hundred sixty-seven million, sixty thousand, five hundred twenty".