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2140102012 = 221951475471
BaseRepresentation
bin111111110001111…
…0101110101111100
312112010222110001111
41333203311311330
513340331231022
6552205451404
7104014365316
oct17743656574
95463873044
102140102012
119a9039354
124b8870b64
132814bbc69
141643287b6
15c7d39477
hex7f8f5d7c

2140102012 has 24 divisors (see below), whose sum is σ = 3943779840. Its totient is φ = 1013350320.

The previous prime is 2140101991. The next prime is 2140102039. The reversal of 2140102012 is 2102010412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2140101983 and 2140102001.

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, 388437 + ... + 393907.

It is an arithmetic number, because the mean of its divisors is an integer number (164324160).

Almost surely, 22140102012 is an apocalyptic number.

It is an amenable number.

2140102012 is a deficient number, since it is larger than the sum of its proper divisors (1803677828).

2140102012 is a wasteful number, since it uses less digits than its factorization.

2140102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2140102012 is about 46261.2366025812. The cubic root of 2140102012 is about 1288.6792186429.

Adding to 2140102012 its reverse (2102010412), we get a palindrome (4242112424).

The spelling of 2140102012 in words is "two billion, one hundred forty million, one hundred two thousand, twelve".

Divisors: 1 2 4 19 38 76 5147 5471 10294 10942 20588 21884 97793 103949 195586 207898 391172 415796 28159237 56318474 112636948 535025503 1070051006 2140102012