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2501213143 = 112131983689
BaseRepresentation
bin1001010100010101…
…0111101111010111
320110022110210101211
42111011113233113
520110302310033
61052105402251
7115660650412
oct22505275727
96408423354
102501213143
111073962500
12599799387
1330b2656a0
1419a288b79
15e98ba2cd
hex95157bd7

2501213143 has 24 divisors (see below), whose sum is σ = 3116615600. Its totient is φ = 1988426880.

The previous prime is 2501213123. The next prime is 2501213149. The reversal of 2501213143 is 3413121052.

It is a happy number.

It is not a de Polignac number, because 2501213143 - 29 = 2501212631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501213149) 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 in 23 ways as a sum of consecutive naturals, for example, 11958 + ... + 71731.

Almost surely, 22501213143 is an apocalyptic number.

2501213143 is a deficient number, since it is larger than the sum of its proper divisors (615402457).

2501213143 is a wasteful number, since it uses less digits than its factorization.

2501213143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83743 (or 83732 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2501213143 is about 50012.1299586410. The cubic root of 2501213143 is about 1357.4283045793.

Adding to 2501213143 its reverse (3413121052), we get a palindrome (5914334195).

The spelling of 2501213143 in words is "two billion, five hundred one million, two hundred thirteen thousand, one hundred forty-three".

Divisors: 1 11 13 19 121 143 209 247 1573 2299 2717 29887 83689 920579 1087957 1590091 10126369 11967527 17491001 20671183 131642797 192401011 227383013 2501213143