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34278163121 = 791441130109
BaseRepresentation
bin11111111011001000…
…110100001010110001
310021110220102002220002
4133323020310022301
51030200202204441
623425215555345
72322305402426
oct377310641261
9107426362802
1034278163121
11135a0147334
12678782bb55
13330380a077
1419326c9d4d
15d594e7b9b
hex7fb2342b1

34278163121 has 8 divisors (see below), whose sum is σ = 34715625600. Its totient is φ = 33840789840.

The previous prime is 34278163103. The next prime is 34278163147. The reversal of 34278163121 is 12136187243.

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-34278163121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34278163151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123415 + ... + 1153523.

It is an arithmetic number, because the mean of its divisors is an integer number (4339453200).

Almost surely, 234278163121 is an apocalyptic number.

It is an amenable number.

34278163121 is a deficient number, since it is larger than the sum of its proper divisors (437462479).

34278163121 is a wasteful number, since it uses less digits than its factorization.

34278163121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44599.

The product of its digits is 48384, while the sum is 38.

The spelling of 34278163121 in words is "thirty-four billion, two hundred seventy-eight million, one hundred sixty-three thousand, one hundred twenty-one".

Divisors: 1 79 14411 30109 1138469 2378611 433900799 34278163121