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69427764460081 = 9716071926723117
BaseRepresentation
bin11111100100100111010010…
…01111001111101000110001
3100002211020012021111102102201
433302103221033033220301
533100001030200210311
6403354401421543201
720423663503553536
oct1762235117175061
9302736167442381
1069427764460081
1120138171072405
127953695a14b01
132c98019248501
141320470b7ad8d
15805e973b49c1
hex3f24e93cfa31

69427764460081 has 16 divisors (see below), whose sum is σ = 70193842540416. Its totient is φ = 68662721926656.

The previous prime is 69427764460073. The next prime is 69427764460181. The reversal of 69427764460081 is 18006446772496.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 69427764460081 - 23 = 69427764460073 is a prime.

It is a super-2 number, since 2×694277644600812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69427764459995 and 69427764460022.

It is not an unprimeable number, because it can be changed into a prime (69427764460181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003309135 + ... + 3003332251.

It is an arithmetic number, because the mean of its divisors is an integer number (4387115158776).

Almost surely, 269427764460081 is an apocalyptic number.

It is an amenable number.

69427764460081 is a deficient number, since it is larger than the sum of its proper divisors (766078080335).

69427764460081 is a wasteful number, since it uses less digits than its factorization.

69427764460081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44088.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 69427764460081 in words is "sixty-nine trillion, four hundred twenty-seven billion, seven hundred sixty-four million, four hundred sixty thousand, eighty-one".

Divisors: 1 97 1607 19267 23117 155879 1868899 2242349 30962069 37149019 445395239 3003320693 3603454843 43203338183 715750149073 69427764460081