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106675744021 = 71123439137209
BaseRepresentation
bin110001101011001011…
…1101010110100010101
3101012100102020021110021
41203112113222310111
53221432442302041
6121001155225141
710464344602030
oct1432627526425
9335312207407
10106675744021
1141271749420
12188115a81b1
13a0a08a4232
14523d8d2017
152b95352cd1
hex18d65ead15

106675744021 has 32 divisors (see below), whose sum is σ = 139098009600. Its totient is φ = 79328177280.

The previous prime is 106675743959. The next prime is 106675744027. The reversal of 106675744021 is 120447576601.

It is a de Polignac number, because none of the positive numbers 2k-106675744021 is a prime.

It is a super-2 number, since 2×1066757440212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106675744027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708865 + ... + 846073.

It is an arithmetic number, because the mean of its divisors is an integer number (4346812800).

Almost surely, 2106675744021 is an apocalyptic number.

106675744021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106675744021 is a deficient number, since it is larger than the sum of its proper divisors (32422265579).

106675744021 is a wasteful number, since it uses less digits than its factorization.

106675744021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137689.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 106675744021 in words is "one hundred six billion, six hundred seventy-five million, seven hundred forty-four thousand, twenty-one".

Divisors: 1 7 11 23 77 161 253 439 1771 3073 4829 10097 33803 70679 111067 137209 777469 960463 1509299 3155807 10565093 22090649 34713877 60234751 242997139 421643257 662582261 1385399273 4638075827 9697794911 15239392003 106675744021