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21376460237 = 1116071209281
BaseRepresentation
bin10011111010001000…
…101110010111001101
32001011202120200201112
4103322020232113031
5322234333211422
613453055421405
71354504625336
oct237210562715
961152520645
1021376460237
11907a4aaa70
124186b24865
132028903a52
14106b02b28d
15851a10ee2
hex4fa22e5cd

21376460237 has 8 divisors (see below), whose sum is σ = 23334305472. Its totient is φ = 19421036800.

The previous prime is 21376460227. The next prime is 21376460243. The reversal of 21376460237 is 73206467312.

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

It is not a de Polignac number, because 21376460237 - 28 = 21376459981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21376460194 and 21376460203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21376460227) 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, 586964 + ... + 622317.

It is an arithmetic number, because the mean of its divisors is an integer number (2916788184).

Almost surely, 221376460237 is an apocalyptic number.

It is an amenable number.

21376460237 is a deficient number, since it is larger than the sum of its proper divisors (1957845235).

21376460237 is a wasteful number, since it uses less digits than its factorization.

21376460237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210899.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 21376460237 in words is "twenty-one billion, three hundred seventy-six million, four hundred sixty thousand, two hundred thirty-seven".

Divisors: 1 11 1607 17677 1209281 13302091 1943314567 21376460237