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101906669 = 4717912113
BaseRepresentation
bin1100001001011…
…11100011101101
321002202101200002
412010233203231
5202042003134
614040114045
72345122664
oct604574355
9232671602
10101906669
1152583a97
122a165925
1318160607
14d769ddb
158e2e87e
hex612f8ed

101906669 has 8 divisors (see below), whose sum is σ = 104664960. Its totient is φ = 99173056.

The previous prime is 101906611. The next prime is 101906681. The reversal of 101906669 is 966609101.

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 101906669 - 224 = 85129453 is a prime.

It is a super-2 number, since 2×1019066692 = 20769938373351122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101906699) 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, 2357 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (13083120).

Almost surely, 2101906669 is an apocalyptic number.

It is an amenable number.

101906669 is a deficient number, since it is larger than the sum of its proper divisors (2758291).

101906669 is a wasteful number, since it uses less digits than its factorization.

101906669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 101906669 is about 10094.8833078942. The cubic root of 101906669 is about 467.0903217950.

The spelling of 101906669 in words is "one hundred one million, nine hundred six thousand, six hundred sixty-nine".

Divisors: 1 47 179 8413 12113 569311 2168227 101906669