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2120143502 = 21060071751
BaseRepresentation
bin111111001011110…
…1101001010001110
312110202102110010102
41332113231022032
513320224043002
6550214011102
7103352631251
oct17627551216
95422373112
102120143502
11998847214
124b2046a92
1327a3216a9
14161811098
15c61e5a02
hex7e5ed28e

2120143502 has 4 divisors (see below), whose sum is σ = 3180215256. Its totient is φ = 1060071750.

The previous prime is 2120143489. The next prime is 2120143507. The reversal of 2120143502 is 2053410212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120143507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530035874 + ... + 530035877.

It is an arithmetic number, because the mean of its divisors is an integer number (795053814).

Almost surely, 22120143502 is an apocalyptic number.

2120143502 is a deficient number, since it is larger than the sum of its proper divisors (1060071754).

2120143502 is a wasteful number, since it uses less digits than its factorization.

2120143502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060071753.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2120143502 is about 46045.0160386550. The cubic root of 2120143502 is about 1284.6606424692.

Adding to 2120143502 its reverse (2053410212), we get a palindrome (4173553714).

The spelling of 2120143502 in words is "two billion, one hundred twenty million, one hundred forty-three thousand, five hundred two".

Divisors: 1 2 1060071751 2120143502