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1228140106 = 25910407967
BaseRepresentation
bin100100100110011…
…1110111001001010
310011120221222111121
41021030332321022
510003400440411
6321511145454
742302006254
oct11114767112
93146858447
101228140106
11580286926
122a337528a
13167597a2b
14b9176cd4
1572c48571
hex4933ee4a

1228140106 has 8 divisors (see below), whose sum is σ = 1873434240. Its totient is φ = 603662028.

The previous prime is 1228140091. The next prime is 1228140119. The reversal of 1228140106 is 6010418221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203866 + ... + 5204101.

It is an arithmetic number, because the mean of its divisors is an integer number (234179280).

Almost surely, 21228140106 is an apocalyptic number.

1228140106 is a deficient number, since it is larger than the sum of its proper divisors (645294134).

1228140106 is a wasteful number, since it uses less digits than its factorization.

1228140106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408028.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1228140106 is about 35044.8299467981. The cubic root of 1228140106 is about 1070.9009519508.

Adding to 1228140106 its reverse (6010418221), we get a palindrome (7238558327).

The spelling of 1228140106 in words is "one billion, two hundred twenty-eight million, one hundred forty thousand, one hundred six".

Divisors: 1 2 59 118 10407967 20815934 614070053 1228140106