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8012135270381 = 114649156673679
BaseRepresentation
bin111010010010111100001…
…1110100000011111101101
31001100221201111001000021212
41310211320132200133231
52022232323112123011
625012420225004205
71454600116054244
oct164457036403755
931327644030255
108012135270381
112609a22536510
12a9497ba83665
13461705a9b318
141d9b0a22d95b
15dd63250608b
hex749787a07ed

8012135270381 has 8 divisors (see below), whose sum is σ = 8742391344000. Its totient is φ = 7282192553440.

The previous prime is 8012135270339. The next prime is 8012135270387. The reversal of 8012135270381 is 1830725312108.

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

It is a cyclic number.

It is not a de Polignac number, because 8012135270381 - 210 = 8012135269357 is a prime.

It is a super-2 number, since 2×80121352703812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012135270387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78285701 + ... + 78387978.

It is an arithmetic number, because the mean of its divisors is an integer number (1092798918000).

Almost surely, 28012135270381 is an apocalyptic number.

It is an amenable number.

8012135270381 is a deficient number, since it is larger than the sum of its proper divisors (730256073619).

8012135270381 is a wasteful number, since it uses less digits than its factorization.

8012135270381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156678339.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 8012135270381 in words is "eight trillion, twelve billion, one hundred thirty-five million, two hundred seventy thousand, three hundred eighty-one".

Divisors: 1 11 4649 51139 156673679 1723410469 728375933671 8012135270381