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105216674443 = 844312462001
BaseRepresentation
bin110000111111101100…
…1110000101010001011
3101001120201201212021021
41201333121300222023
53210440432040233
6120200314253311
710413236655616
oct1417731605213
9331521655237
10105216674443
11406930848a1
1218484a27237
139bca51315a
145141c0517d
152b0c1e0e2d
hex187f670a8b

105216674443 has 4 divisors (see below), whose sum is σ = 105229144888. Its totient is φ = 105204204000.

The previous prime is 105216674399. The next prime is 105216674467. The reversal of 105216674443 is 344476612501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105216674443 - 225 = 105183120011 is a prime.

It is a super-2 number, since 2×1052166744432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105216674443.

It is not an unprimeable number, because it can be changed into a prime (105216674743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6222558 + ... + 6239443.

It is an arithmetic number, because the mean of its divisors is an integer number (26307286222).

Almost surely, 2105216674443 is an apocalyptic number.

105216674443 is a deficient number, since it is larger than the sum of its proper divisors (12470445).

105216674443 is an equidigital number, since it uses as much as digits as its factorization.

105216674443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470444.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 105216674443 in words is "one hundred five billion, two hundred sixteen million, six hundred seventy-four thousand, four hundred forty-three".

Divisors: 1 8443 12462001 105216674443