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16648530605357 = 7532631131715077
BaseRepresentation
bin1111001001000100100111…
…0000001011010100101101
32011221120202201112001022212
43302101021300023110231
54140232142313332412
655224121313420205
73335550052141040
oct362211160132455
964846681461285
1016648530605357
115339669556082
121a4a71b26a665
13939c4664a941
14417b166b8c57
151dd0ee5dc222
hexf2449c0b52d

16648530605357 has 32 divisors (see below), whose sum is σ = 19462610990592. Its totient is φ = 13945527707904.

The previous prime is 16648530605323. The next prime is 16648530605417. The reversal of 16648530605357 is 75350603584661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16648530605357 - 214 = 16648530588973 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16648530605296 and 16648530605305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16648530605857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1104226103 + ... + 1104241179.

It is an arithmetic number, because the mean of its divisors is an integer number (608206593456).

Almost surely, 216648530605357 is an apocalyptic number.

It is an amenable number.

16648530605357 is a deficient number, since it is larger than the sum of its proper divisors (2814080385235).

16648530605357 is a wasteful number, since it uses less digits than its factorization.

16648530605357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717.

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 16648530605357 in words is "sixteen trillion, six hundred forty-eight billion, five hundred thirty million, six hundred five thousand, three hundred fifty-seven".

Divisors: 1 7 53 263 371 1841 11317 13939 15077 79219 97573 105539 599801 799081 2976371 3965251 4198607 5593567 20834597 27756757 157747663 170626409 210158303 1104233641 1194384863 1471108121 9043199677 44874745567 63302397739 314123218969 2378361515051 16648530605357