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1216676107 = 4142170487
BaseRepresentation
bin100100010000101…
…0000000100001011
310010210101112212001
41020201100010023
54442432113412
6320421331431
742102401443
oct11041200413
93123345761
101216676107
11574866849
1229b566b77
131650b29ba
14b7831123
1571c31957
hex4885010b

1216676107 has 8 divisors (see below), whose sum is σ = 1249329312. Its totient is φ = 1184164800.

The previous prime is 1216676101. The next prime is 1216676113. The reversal of 1216676107 is 7016766121.

It is an interprime number because it is at equal distance from previous prime (1216676101) and next prime (1216676113).

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 1216676107 - 27 = 1216675979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1216676101) 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, 17983 + ... + 52504.

It is an arithmetic number, because the mean of its divisors is an integer number (156166164).

Almost surely, 21216676107 is an apocalyptic number.

1216676107 is a deficient number, since it is larger than the sum of its proper divisors (32653205).

1216676107 is an equidigital number, since it uses as much as digits as its factorization.

1216676107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70949.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1216676107 is about 34880.8845501372. The cubic root of 1216676107 is about 1067.5584435641.

The spelling of 1216676107 in words is "one billion, two hundred sixteen million, six hundred seventy-six thousand, one hundred seven".

Divisors: 1 41 421 17261 70487 2889967 29675027 1216676107