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49219949580 = 2235820332493
BaseRepresentation
bin101101110101101111…
…001101010000001100
311201001020000111121120
4231311233031100030
51301300301341310
634340014200540
73361500445164
oct556557152014
9151036014546
1049219949580
111996841868a
1296577b3150
134845283329
14254ccb95a4
15143115db70
hexb75bcd40c

49219949580 has 24 divisors (see below), whose sum is σ = 137815858992. Its totient is φ = 13125319872.

The previous prime is 49219949573. The next prime is 49219949593. The reversal of 49219949580 is 8594991294.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 820332493 = 49219949580 / (4 + 9 + 2 + 1 + 9 + 9 + 4 + 9 + 5 + 8 + 0).

It is an unprimeable number.

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, 410166187 + ... + 410166306.

It is an arithmetic number, because the mean of its divisors is an integer number (5742327458).

Almost surely, 249219949580 is an apocalyptic number.

It is an amenable number.

49219949580 is an abundant number, since it is smaller than the sum of its proper divisors (88595909412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49219949580 is a wasteful number, since it uses less digits than its factorization.

49219949580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820332505 (or 820332503 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 49219949580 in words is "forty-nine billion, two hundred nineteen million, nine hundred forty-nine thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 820332493 1640664986 2460997479 3281329972 4101662465 4921994958 8203324930 9843989916 12304987395 16406649860 24609974790 49219949580