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2131210102 = 27672272079
BaseRepresentation
bin111111100000111…
…1010111101110110
312111112020200122111
41333001322331312
513331042210402
6551251121234
7103545662350
oct17701727566
95445220574
102131210102
119a401576a
124b58a321a
1327c6c7888
141630920d0
15c717e9d7
hex7f07af76

2131210102 has 16 divisors (see below), whose sum is σ = 3708034560. Its totient is φ = 899742888.

The previous prime is 2131210099. The next prime is 2131210111. The reversal of 2131210102 is 2010121312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135102 + ... + 1136977.

It is an arithmetic number, because the mean of its divisors is an integer number (231752160).

Almost surely, 22131210102 is an apocalyptic number.

2131210102 is a deficient number, since it is larger than the sum of its proper divisors (1576824458).

2131210102 is a wasteful number, since it uses less digits than its factorization.

2131210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272155.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2131210102 is about 46165.0311599592. The cubic root of 2131210102 is about 1286.8919632715.

Adding to 2131210102 its reverse (2010121312), we get a palindrome (4141331414).

It can be divided in two parts, 2131210 and 102, that added together give a palindrome (2131312).

The spelling of 2131210102 in words is "two billion, one hundred thirty-one million, two hundred ten thousand, one hundred two".

Divisors: 1 2 7 14 67 134 469 938 2272079 4544158 15904553 31809106 152229293 304458586 1065605051 2131210102