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49695676720 = 245621195959
BaseRepresentation
bin101110010010000101…
…111101100100110000
311202021101011221120021
4232102011331210300
51303234043123340
634455130453224
73406335165604
oct562205754460
9152241157507
1049695676720
111a091a06508
12976ab94214
1348bc9ba191
142596153504
15145cccee4a
hexb9217d930

49695676720 has 20 divisors (see below), whose sum is σ = 115542448560. Its totient is φ = 19878270656.

The previous prime is 49695676663. The next prime is 49695676859. The reversal of 49695676720 is 2767659694.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310597900 + ... + 310598059.

It is an arithmetic number, because the mean of its divisors is an integer number (5777122428).

Almost surely, 249695676720 is an apocalyptic number.

49695676720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49695676720 is an abundant number, since it is smaller than the sum of its proper divisors (65846771840).

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

49695676720 is a wasteful number, since it uses less digits than its factorization.

49695676720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621195972 (or 621195966 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 49695676720 in words is "forty-nine billion, six hundred ninety-five million, six hundred seventy-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 621195959 1242391918 2484783836 3105979795 4969567672 6211959590 9939135344 12423919180 24847838360 49695676720