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51140251300 = 22523794612927
BaseRepresentation
bin101111101000001100…
…100100111010100100
311220000001101221100111
4233220030210322210
51314213401020200
635254333022404
73460205651365
oct575014447244
9156001357314
1051140251300
111a76337a7a6
129ab2924a04
134a90074738
142691d49b6c
1514e4a2c0ba
hexbe8324ea4

51140251300 has 72 divisors (see below), whose sum is σ = 111546610560. Its totient is φ = 20350915200.

The previous prime is 51140251273. The next prime is 51140251367. The reversal of 51140251300 is 315204115.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 17470437 + ... + 17473363.

It is an arithmetic number, because the mean of its divisors is an integer number (1549258480).

Almost surely, 251140251300 is an apocalyptic number.

51140251300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51140251300 is an abundant number, since it is smaller than the sum of its proper divisors (60406359260).

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

51140251300 is a wasteful number, since it uses less digits than its factorization.

51140251300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3774 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 51140251300 its reverse (315204115), we get a palindrome (51455455415).

The spelling of 51140251300 in words is "fifty-one billion, one hundred forty million, two hundred fifty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 379 461 758 922 1516 1844 1895 2305 2927 3790 4610 5854 7580 9220 9475 11525 11708 14635 18950 23050 29270 37900 46100 58540 73175 146350 174719 292700 349438 698876 873595 1109333 1349347 1747190 2218666 2698694 3494380 4367975 4437332 5397388 5546665 6746735 8735950 11093330 13493470 17471900 22186660 26986940 27733325 33733675 55466650 67467350 110933300 134934700 511402513 1022805026 2045610052 2557012565 5114025130 10228050260 12785062825 25570125650 51140251300