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2110021030 = 251333748163
BaseRepresentation
bin111110111000100…
…0101110110100110
312110001101011201001
41331301011312212
513310131133110
6545213023514
7103200611545
oct17561056646
95401334631
102110021030
11993063037
124aa784b9a
132781b9170
1416033815c
15c539663a
hex7dc45da6

2110021030 has 32 divisors (see below), whose sum is σ = 4102416864. Its totient is φ = 776756736.

The previous prime is 2110021013. The next prime is 2110021037. The reversal of 2110021030 is 301200112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2110020998 and 2110021016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110021037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19729 + ... + 67891.

It is an arithmetic number, because the mean of its divisors is an integer number (128200527).

Almost surely, 22110021030 is an apocalyptic number.

2110021030 is a deficient number, since it is larger than the sum of its proper divisors (1992395834).

2110021030 is a wasteful number, since it uses less digits than its factorization.

2110021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48520.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2110021030 is about 45934.9652225840. The cubic root of 2110021030 is about 1282.6128735486.

Adding to 2110021030 its reverse (301200112), we get a palindrome (2411221142).

The spelling of 2110021030 in words is "two billion, one hundred ten million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 337 674 1685 3370 4381 8762 21905 43810 48163 96326 240815 481630 626119 1252238 3130595 6261190 16230931 32461862 81154655 162309310 211002103 422004206 1055010515 2110021030