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69231189312 = 2632120193037
BaseRepresentation
bin100000001111010000…
…0000001110101000000
320121200211200210212200
41000132200001311000
52113241141024222
651445424353200
75000420254035
oct1003640016500
9217624623780
1069231189312
11273a722423a
1211501475800
1366b4094b9c
1434ca88938c
151c02d99eac
hex101e801d40

69231189312 has 42 divisors (see below), whose sum is σ = 198438705738. Its totient is φ = 23077062912.

The previous prime is 69231189299. The next prime is 69231189373. The reversal of 69231189312 is 21398113296.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60622318656 + 8608870656 = 246216^2 + 92784^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60095943 + ... + 60097094.

It is an arithmetic number, because the mean of its divisors is an integer number (4724731089).

Almost surely, 269231189312 is an apocalyptic number.

It is an amenable number.

69231189312 is an abundant number, since it is smaller than the sum of its proper divisors (129207516426).

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

69231189312 is a wasteful number, since it uses less digits than its factorization.

69231189312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120193055 (or 120193042 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The spelling of 69231189312 in words is "sixty-nine billion, two hundred thirty-one million, one hundred eighty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 120193037 240386074 360579111 480772148 721158222 961544296 1081737333 1442316444 1923088592 2163474666 2884632888 3846177184 4326949332 5769265776 7692354368 8653898664 11538531552 17307797328 23077063104 34615594656 69231189312