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80421824461 = 1122733216487
BaseRepresentation
bin100101011100110000…
…0111010011111001101
321200120201211222101011
41022321200322133031
52304200441340321
6100540102445221
75544633141346
oct1127140723715
9250521758334
1080421824461
113111a029040
1213705133811
1377786480a4
143c6cbc10cd
15215a543ae1
hex12b983a7cd

80421824461 has 8 divisors (see below), whose sum is σ = 87771524544. Its totient is φ = 73078561920.

The previous prime is 80421824443. The next prime is 80421824471. The reversal of 80421824461 is 16442812408.

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 80421824461 - 213 = 80421816269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80421824471) 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, 1583241 + ... + 1633246.

It is an arithmetic number, because the mean of its divisors is an integer number (10971440568).

Almost surely, 280421824461 is an apocalyptic number.

It is an amenable number.

80421824461 is a deficient number, since it is larger than the sum of its proper divisors (7349700083).

80421824461 is a wasteful number, since it uses less digits than its factorization.

80421824461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218771.

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 80421824461 in words is "eighty billion, four hundred twenty-one million, eight hundred twenty-four thousand, four hundred sixty-one".

Divisors: 1 11 2273 25003 3216487 35381357 7311074951 80421824461