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14751802849 = 72173512
BaseRepresentation
bin11011011110100011…
…01010010111100001
31102002002010020012111
431233101222113201
5220202430142344
610435450155321
71031364153400
oct155721522741
942062106174
1014751802849
11629000a903
122a38422b41
1315112b8134
149dd297637
155b5139834
hex36f46a5e1

14751802849 has 9 divisors (see below), whose sum is σ = 17161249521. Its totient is φ = 12643673700.

The previous prime is 14751802847. The next prime is 14751802889. The reversal of 14751802849 is 94820815741.

The square root of 14751802849 is 121457.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 14751802849 - 21 = 14751802847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14751802847) 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 8 ways as a sum of consecutive naturals, for example, 841524 + ... + 858874.

Almost surely, 214751802849 is an apocalyptic number.

14751802849 is the 121457-th square number.

14751802849 is the 60729-th centered octagonal number.

It is an amenable number.

14751802849 is a deficient number, since it is larger than the sum of its proper divisors (2409446672).

14751802849 is an frugal number, since it uses more digits than its factorization.

14751802849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716 (or 17358 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

Multiplying 14751802849 by its sum of digits (49), we get a square (722838339601 = 8501992).

14751802849 divided by its sum of digits (49) gives a square (301057201 = 173512).

The spelling of 14751802849 in words is "fourteen billion, seven hundred fifty-one million, eight hundred two thousand, eight hundred forty-nine".

Divisors: 1 7 49 17351 121457 850199 301057201 2107400407 14751802849