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2130021032 = 233783181479
BaseRepresentation
bin111111011110101…
…1000101010101000
312111110000021112212
41332331120222220
513330241133112
6551205424252
7103532610566
oct17675305250
95443007485
102130021032
119a3383367
124b540b088
1327c39c599
14162c62a36
15c6ee7522
hex7ef58aa8

2130021032 has 64 divisors (see below), whose sum is σ = 4182796800. Its totient is φ = 1015960320.

The previous prime is 2130020987. The next prime is 2130021037. The reversal of 2130021032 is 2301200312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2130020998 and 2130021016.

It is not an unprimeable number, because it can be changed into a prime (2130021037) 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, 4446569 + ... + 4447047.

It is an arithmetic number, because the mean of its divisors is an integer number (65356200).

Almost surely, 22130021032 is an apocalyptic number.

It is an amenable number.

2130021032 is a deficient number, since it is larger than the sum of its proper divisors (2052775768).

2130021032 is a wasteful number, since it uses less digits than its factorization.

2130021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2130021032 is about 46152.1508924557. The cubic root of 2130021032 is about 1286.6525860749.

Adding to 2130021032 its reverse (2301200312), we get a palindrome (4431221344).

The spelling of 2130021032 in words is "two billion, one hundred thirty million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 37 74 83 148 166 181 296 332 362 479 664 724 958 1448 1916 3071 3832 6142 6697 12284 13394 15023 17723 24568 26788 30046 35446 39757 53576 60092 70892 79514 86699 120184 141784 159028 173398 318056 346796 555851 693592 1111702 1471009 2223404 2942018 3207863 4446808 5884036 6415726 7196017 11768072 12831452 14392034 25662904 28784068 57568136 266252629 532505258 1065010516 2130021032