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82901772113 = 2911325298069
BaseRepresentation
bin100110100110101010…
…1001010011101010001
321220222120022101000012
41031031111022131101
52324240323201423
6102030132404305
75663245302416
oct1151525123521
9256876271005
1082901772113
1132181986456
1214097776695
137a82376334
1440262d210d
15225310d078
hex134d54a751

82901772113 has 8 divisors (see below), whose sum is σ = 86519399400. Its totient is φ = 79334741248.

The previous prime is 82901772091. The next prime is 82901772157. The reversal of 82901772113 is 31127710928.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7654150144 + 75247621969 = 87488^2 + 274313^2 .

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 82901772113 - 212 = 82901768017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82901772013) 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, 12645758 + ... + 12652311.

It is an arithmetic number, because the mean of its divisors is an integer number (10814924925).

Almost surely, 282901772113 is an apocalyptic number.

It is an amenable number.

82901772113 is a deficient number, since it is larger than the sum of its proper divisors (3617627287).

82901772113 is a wasteful number, since it uses less digits than its factorization.

82901772113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25298211.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 82901772113 in words is "eighty-two billion, nine hundred one million, seven hundred seventy-two thousand, one hundred thirteen".

Divisors: 1 29 113 3277 25298069 733644001 2858681797 82901772113