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2105050155 = 351319156519
BaseRepresentation
bin111110101111000…
…1000010000101011
312102201000121221120
41331132020100223
513302343101110
6544514310323
7103110426315
oct17536102053
95381017846
102105050155
1199027837a
124a8b883a3
13277168710
1415d8027b5
15c4c13870
hex7d78842b

2105050155 has 32 divisors (see below), whose sum is σ = 3646218240. Its totient is φ = 1030888320.

The previous prime is 2105050141. The next prime is 2105050163. The reversal of 2105050155 is 5510505012.

2105050155 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2105050155 - 29 = 2105049643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8986 + ... + 65504.

It is an arithmetic number, because the mean of its divisors is an integer number (113944320).

Almost surely, 22105050155 is an apocalyptic number.

2105050155 is a deficient number, since it is larger than the sum of its proper divisors (1541168085).

2105050155 is a wasteful number, since it uses less digits than its factorization.

2105050155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56731.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 2105050155 is about 45880.8255701660. The cubic root of 2105050155 is about 1281.6048707121.

Adding to 2105050155 its reverse (5510505012), we get a palindrome (7615555167).

The spelling of 2105050155 in words is "two billion, one hundred five million, fifty thousand, one hundred fifty-five".

Divisors: 1 3 5 13 15 39 65 191 195 573 955 2483 2865 7449 12415 37245 56519 169557 282595 734747 847785 2204241 3673735 10795129 11021205 32385387 53975645 140336677 161926935 421010031 701683385 2105050155