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80348505629 = 73547428249
BaseRepresentation
bin100101011010100100…
…1001110011000011101
321200101121212222211212
41022311021032120131
52304023204140004
6100524523154205
75543053013000
oct1126511163035
9250347788755
1080348505629
1131091700567
12136a4675965
1377663b6a72
143c63177537
152153dae96e
hex12b524e61d

80348505629 has 16 divisors (see below), whose sum is σ = 93872400000. Its totient is φ = 68744081952.

The previous prime is 80348505619. The next prime is 80348505667. The reversal of 80348505629 is 92650584308.

It is not a de Polignac number, because 80348505629 - 212 = 80348501533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80348505619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26504 + ... + 401745.

It is an arithmetic number, because the mean of its divisors is an integer number (5867025000).

Almost surely, 280348505629 is an apocalyptic number.

It is an amenable number.

80348505629 is a deficient number, since it is larger than the sum of its proper divisors (13523894371).

80348505629 is an equidigital number, since it uses as much as digits as its factorization.

80348505629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428817 (or 428803 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 80348505629 in words is "eighty billion, three hundred forty-eight million, five hundred five thousand, six hundred twenty-nine".

Divisors: 1 7 49 343 547 3829 26803 187621 428249 2997743 20984201 146889407 234252203 1639765421 11478357947 80348505629