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67770140084 = 2216942535021
BaseRepresentation
bin111111000111011010…
…100100010110110100
320110221000110211010022
4333013122210112310
52102243123440314
651044433144312
74616256454223
oct770732442664
9213830424108
1067770140084
1126817528339
12111740bb098
13651048ca0a
1433cc804cba
151b6999678e
hexfc76a45b4

67770140084 has 6 divisors (see below), whose sum is σ = 118597745154. Its totient is φ = 33885070040.

The previous prime is 67770140071. The next prime is 67770140147. The reversal of 67770140084 is 48004107776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53278795684 + 14491344400 = 230822^2 + 120380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8471267507 + ... + 8471267514.

It is an arithmetic number, because the mean of its divisors is an integer number (19766290859).

Almost surely, 267770140084 is an apocalyptic number.

It is an amenable number.

67770140084 is a deficient number, since it is larger than the sum of its proper divisors (50827605070).

67770140084 is a wasteful number, since it uses less digits than its factorization.

67770140084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16942535025 (or 16942535023 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 67770140084 in words is "sixty-seven billion, seven hundred seventy million, one hundred forty thousand, eighty-four".

Divisors: 1 2 4 16942535021 33885070042 67770140084