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50010666550 = 2521399777171
BaseRepresentation
bin101110100100110111…
…100011011000110110
311210002022220002101021
4232210313203120312
51304410212312200
634550302051354
73420211436365
oct564467433066
9153068802337
1050010666550
111a233798a89
129838579b5a
134940035ab0
1425c5d097dc
15147a7a041a
hexba4de3636

50010666550 has 48 divisors (see below), whose sum is σ = 100276988112. Its totient is φ = 18446716800.

The previous prime is 50010666539. The next prime is 50010666557. The reversal of 50010666550 is 5566601005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50010666557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609465 + ... + 686635.

It is an arithmetic number, because the mean of its divisors is an integer number (2089103919).

Almost surely, 250010666550 is an apocalyptic number.

50010666550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50010666550 is an abundant number, since it is smaller than the sum of its proper divisors (50266321562).

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

50010666550 is a wasteful number, since it uses less digits than its factorization.

50010666550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78193 (or 78188 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50010666550 in words is "fifty billion, ten million, six hundred sixty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 997 1994 4985 9970 12961 24925 25922 49850 64805 77171 129610 154342 324025 385855 648050 771710 1003223 1929275 2006446 3858550 5016115 10032230 25080575 50161150 76939487 153878974 384697435 769394870 1000213331 1923487175 2000426662 3846974350 5001066655 10002133310 25005333275 50010666550