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1189668601 = 11190756713
BaseRepresentation
bin100011011101000…
…1110011011111001
310001220120102112001
41012322032123321
54414023343401
6314014421001
741324005402
oct10672163371
93056512461
101189668601
1156059a6a0
12292501761
1315c617b24
14b40009a9
156e699601
hex46e8e6f9

1189668601 has 8 divisors (see below), whose sum is σ = 1298523744. Its totient is φ = 1080930720.

The previous prime is 1189668589. The next prime is 1189668661. The reversal of 1189668601 is 1068669811.

It is a happy number.

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 1189668601 - 227 = 1055450873 is a prime.

It is a super-2 number, since 2×11896686012 = 2830622760410594402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189668661) 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, 7380 + ... + 49333.

It is an arithmetic number, because the mean of its divisors is an integer number (162315468).

Almost surely, 21189668601 is an apocalyptic number.

1189668601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1189668601 is a deficient number, since it is larger than the sum of its proper divisors (108855143).

1189668601 is a wasteful number, since it uses less digits than its factorization.

1189668601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58631.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1189668601 is about 34491.5728983182. The cubic root of 1189668601 is about 1059.6001223968.

The spelling of 1189668601 in words is "one billion, one hundred eighty-nine million, six hundred sixty-eight thousand, six hundred one".

Divisors: 1 11 1907 20977 56713 623843 108151691 1189668601