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49212921676 = 2253739732783
BaseRepresentation
bin101101110101010100…
…011001011101001100
311201000201210110010211
4231311110121131030
51301242001443201
634335203412204
73361353634522
oct556524313514
9151021713124
1049212921676
11199644584a6
129655384064
1348439924c9
14254bdaa312
151430721651
hexb7551974c

49212921676 has 48 divisors (see below), whose sum is σ = 89869336704. Its totient is φ = 23565275136.

The previous prime is 49212921599. The next prime is 49212921677. The reversal of 49212921676 is 67612921294.

It is a happy number.

It is a super-2 number, since 2×492129216762 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (49212921677) 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 15 ways as a sum of consecutive naturals, for example, 1484781 + ... + 1517563.

It is an arithmetic number, because the mean of its divisors is an integer number (1872277848).

Almost surely, 249212921676 is an apocalyptic number.

It is an amenable number.

49212921676 is a deficient number, since it is larger than the sum of its proper divisors (40656415028).

49212921676 is a wasteful number, since it uses less digits than its factorization.

49212921676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33010 (or 33008 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 49212921676 in words is "forty-nine billion, two hundred twelve million, nine hundred twenty-one thousand, six hundred seventy-six".

Divisors: 1 2 4 53 73 97 106 146 194 212 292 388 3869 5141 7081 7738 10282 14162 15476 20564 28324 32783 65566 131132 375293 750586 1501172 1737499 2393159 3179951 3474998 4786318 6359902 6949996 9572636 12719804 126837427 168537403 232136423 253674854 337074806 464272846 507349708 674149612 928545692 12303230419 24606460838 49212921676