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67799825082 = 23211342423359
BaseRepresentation
bin111111001001001011…
…110011101010111010
320111000002022222021200
4333021023303222322
52102323223400312
651051413315030
74620100001343
oct771113635272
9214002288250
1067799825082
11268322630a0
1211182035a76
1365166844c2
1433d27310ca
151b6c3ac0dc
hexfc92f3aba

67799825082 has 24 divisors (see below), whose sum is σ = 160254132480. Its totient is φ = 20545401480.

The previous prime is 67799825081. The next prime is 67799825101. The reversal of 67799825082 is 28052899776.

It is a super-2 number, since 2×677998250822 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67799825081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171211482 + ... + 171211877.

It is an arithmetic number, because the mean of its divisors is an integer number (6677255520).

Almost surely, 267799825082 is an apocalyptic number.

67799825082 is an abundant number, since it is smaller than the sum of its proper divisors (92454307398).

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

67799825082 is a wasteful number, since it uses less digits than its factorization.

67799825082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342423378 (or 342423375 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 67799825082 in words is "sixty-seven billion, seven hundred ninety-nine million, eight hundred twenty-five thousand, eighty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 342423359 684846718 1027270077 2054540154 3081810231 3766656949 6163620462 7533313898 11299970847 22599941694 33899912541 67799825082