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5146789821 = 31845792951
BaseRepresentation
bin1001100101100010…
…11100011110111101
3111021200121000100020
410302301130132331
541020034233241
62210413322353
7241353664065
oct46261343675
914250530306
105146789821
112201257408
12bb77963b9
136403a5584
1436b7923a5
15201c9eb66
hex132c5c7bd

5146789821 has 8 divisors (see below), whose sum is σ = 6862832064. Its totient is φ = 3430970400.

The previous prime is 5146789807. The next prime is 5146789847. The reversal of 5146789821 is 1289876415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5146789821 - 25 = 5146789789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146789861) 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 7 ways as a sum of consecutive naturals, for example, 8896 + ... + 101846.

It is an arithmetic number, because the mean of its divisors is an integer number (857854008).

Almost surely, 25146789821 is an apocalyptic number.

It is an amenable number.

5146789821 is a deficient number, since it is larger than the sum of its proper divisors (1716042243).

5146789821 is a wasteful number, since it uses less digits than its factorization.

5146789821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111411.

The product of its digits is 967680, while the sum is 51.

The square root of 5146789821 is about 71741.1306085986. The cubic root of 5146789821 is about 1726.5486137733.

The spelling of 5146789821 in words is "five billion, one hundred forty-six million, seven hundred eighty-nine thousand, eight hundred twenty-one".

Divisors: 1 3 18457 55371 92951 278853 1715596607 5146789821