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2153106690 = 235789115201
BaseRepresentation
bin1000000001010101…
…1100110100000010
312120001110011010020
42000111130310002
513402143403230
6553352314310
7104233050660
oct20025346402
95501404106
102153106690
11a05410a19
125010a2996
132840c3337
14165d51c30
15c9057810
hex8055cd02

2153106690 has 64 divisors (see below), whose sum is σ = 5972071680. Its totient is φ = 486604800.

The previous prime is 2153106673. The next prime is 2153106721. The reversal of 2153106690 is 966013512.

It is a happy number.

It is a super-2 number, since 2×21531066902 = 9271736837045512200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38911 + ... + 76290.

It is an arithmetic number, because the mean of its divisors is an integer number (93313620).

Almost surely, 22153106690 is an apocalyptic number.

2153106690 is an abundant number, since it is smaller than the sum of its proper divisors (3818964990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153106690 is a wasteful number, since it uses less digits than its factorization.

2153106690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115307.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2153106690 is about 46401.5806842827. The cubic root of 2153106690 is about 1291.2842387697.

The spelling of 2153106690 in words is "two billion, one hundred fifty-three million, one hundred six thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 89 105 178 210 267 445 534 623 890 1246 1335 1869 2670 3115 3738 6230 9345 18690 115201 230402 345603 576005 691206 806407 1152010 1612814 1728015 2419221 3456030 4032035 4838442 8064070 10252889 12096105 20505778 24192210 30758667 51264445 61517334 71770223 102528890 143540446 153793335 215310669 307586670 358851115 430621338 717702230 1076553345 2153106690