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50993921280 = 283513279667
BaseRepresentation
bin101111011111011110…
…010111110100000000
311212121212001121022010
4233133132113310000
51313413420440110
635232024412520
73453451115301
oct573736276400
9155555047263
1050993921280
111a6988148a5
129a71917140
134a6895c123
14267a7387a8
1514d6c75020
hexbdf797d00

50993921280 has 72 divisors (see below), whose sum is σ = 162861848352. Its totient is φ = 13598377984.

The previous prime is 50993921263. The next prime is 50993921281. The reversal of 50993921280 is 8212939905.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50993921281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6635994 + ... + 6643673.

It is an arithmetic number, because the mean of its divisors is an integer number (2261970116).

Almost surely, 250993921280 is an apocalyptic number.

It is an amenable number.

50993921280 is an abundant number, since it is smaller than the sum of its proper divisors (111867927072).

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

50993921280 is a wasteful number, since it uses less digits than its factorization.

50993921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13279691 (or 13279677 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 50993921280 in words is "fifty billion, nine hundred ninety-three million, nine hundred twenty-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 13279667 26559334 39839001 53118668 66398335 79678002 106237336 132796670 159356004 199195005 212474672 265593340 318712008 398390010 424949344 531186680 637424016 796780020 849898688 1062373360 1274848032 1593560040 1699797376 2124746720 2549696064 3187120080 3399594752 4249493440 5099392128 6374240160 8498986880 10198784256 12748480320 16997973760 25496960640 50993921280