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34254345521 = 1120107154873
BaseRepresentation
bin11111111001101101…
…111101010100110001
310021102020121001021202
4133321231331110301
51030123103024041
623423005300545
72321566063364
oct377155752461
9107366531252
1034254345521
1113588759870
12677b864755
1332cb8bb106
14192d48a0db
15d57390a9b
hex7f9b7d531

34254345521 has 8 divisors (see below), whose sum is σ = 37370476704. Its totient is φ = 31138564320.

The previous prime is 34254345473. The next prime is 34254345523. The reversal of 34254345521 is 12554345243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34254345521 is a prime.

It is a super-2 number, since 2×342543455212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34254345523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143741 + ... + 298613.

It is an arithmetic number, because the mean of its divisors is an integer number (4671309588).

Almost surely, 234254345521 is an apocalyptic number.

It is an amenable number.

34254345521 is a deficient number, since it is larger than the sum of its proper divisors (3116131183).

34254345521 is a wasteful number, since it uses less digits than its factorization.

34254345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174991.

The product of its digits is 288000, while the sum is 38.

The spelling of 34254345521 in words is "thirty-four billion, two hundred fifty-four million, three hundred forty-five thousand, five hundred twenty-one".

Divisors: 1 11 20107 154873 221177 1703603 3114031411 34254345521