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2145100532 = 221928225007
BaseRepresentation
bin111111111011011…
…1010001011110100
312112111101101201212
41333312322023310
513343121204112
6552504540552
7104105024261
oct17766721364
95474341655
102145100532
11a00942863
124ba481758
1328254c173
14164c6a268
15c84c5522
hex7fdba2f4

2145100532 has 12 divisors (see below), whose sum is σ = 3951501120. Its totient is φ = 1016100216.

The previous prime is 2145100523. The next prime is 2145100549. The reversal of 2145100532 is 2350015412.

It is a junction number, because it is equal to n+sod(n) for n = 2145100498 and 2145100507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14112428 + ... + 14112579.

It is an arithmetic number, because the mean of its divisors is an integer number (329291760).

Almost surely, 22145100532 is an apocalyptic number.

It is an amenable number.

2145100532 is a deficient number, since it is larger than the sum of its proper divisors (1806400588).

2145100532 is a wasteful number, since it uses less digits than its factorization.

2145100532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28225030 (or 28225028 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2145100532 is about 46315.2300220996. The cubic root of 2145100532 is about 1289.6817378837.

Adding to 2145100532 its reverse (2350015412), we get a palindrome (4495115944).

The spelling of 2145100532 in words is "two billion, one hundred forty-five million, one hundred thousand, five hundred thirty-two".

Divisors: 1 2 4 19 38 76 28225007 56450014 112900028 536275133 1072550266 2145100532