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871377011540401 = 36971065722116769
BaseRepresentation
bin1100011000100000110100010…
…1001111010000000110110001
311020021021211101011022001102111
43012020031011033100012301
51403203120104423243101
612325133023421445321
7351353624443325002
oct30610150517200661
94207254334261374
10871377011540401
11232713a08298763
1281892852110841
132b52a66582ac42
1411526c2db9b1a9
156ab17b0ad2251
hex31883453d01b1

871377011540401 has 8 divisors (see below), whose sum is σ = 871694537172680. Its totient is φ = 871059530170368.

The previous prime is 871377011540369. The next prime is 871377011540407. The reversal of 871377011540401 is 104045110773178.

It can be written as a sum of positive squares in 4 ways, for example, as 24901337535376 + 846475674005025 = 4990124^2 + 29094255^2 .

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 871377011540401 - 25 = 871377011540369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871377011540407) 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, 28340545 + ... + 50457313.

It is an arithmetic number, because the mean of its divisors is an integer number (108961817146585).

Almost surely, 2871377011540401 is an apocalyptic number.

It is an amenable number.

871377011540401 is a deficient number, since it is larger than the sum of its proper divisors (317525632279).

871377011540401 is a wasteful number, since it uses less digits than its factorization.

871377011540401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131123.

The product of its (nonzero) digits is 658560, while the sum is 49.

The spelling of 871377011540401 in words is "eight hundred seventy-one trillion, three hundred seventy-seven billion, eleven million, five hundred forty thousand, four hundred one".

Divisors: 1 3697 10657 22116769 39398929 81765694993 235698407233 871377011540401