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50000000007757 = 371351351351561
BaseRepresentation
bin10110101111001100010000…
…01111010011111001001101
320120000221201222011122210011
423113212020033103321031
523023200000000222012
6254201403301313221
713350244416452542
oct1327461017237115
9216027658148704
1050000000007757
1114a279765639a8
125736402a05811
1321b8c97726677
14c4c02760abc9
155ba934b621a7
hex2d79883d3e4d

50000000007757 has 4 divisors (see below), whose sum is σ = 51351351359356. Its totient is φ = 48648648656160.

The previous prime is 50000000007719. The next prime is 50000000007779. The reversal of 50000000007757 is 75770000000005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46696599247081 + 3303400760676 = 6833491^2 + 1817526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50000000007757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000000007707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675675675744 + ... + 675675675817.

It is an arithmetic number, because the mean of its divisors is an integer number (12837837839839).

Almost surely, 250000000007757 is an apocalyptic number.

It is an amenable number.

50000000007757 is a deficient number, since it is larger than the sum of its proper divisors (1351351351599).

50000000007757 is a wasteful number, since it uses less digits than its factorization.

50000000007757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351351351598.

The product of its (nonzero) digits is 8575, while the sum is 31.

The spelling of 50000000007757 in words is "fifty trillion, seven thousand, seven hundred fifty-seven".

Divisors: 1 37 1351351351561 50000000007757