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51342341200 = 2452671915759
BaseRepresentation
bin101111110100001111…
…011111010001010000
311220112010200011120121
4233310033133101100
51320122114404300
635330352320024
73465211461643
oct576417372120
9156463604517
1051342341200
111a85745a947
129b4a543014
134ac2bb1067
1426b0b13a5a
15150764a81a
hexbf43df450

51342341200 has 60 divisors (see below), whose sum is σ = 125191084480. Its totient is φ = 20230404480.

The previous prime is 51342341173. The next prime is 51342341201. The reversal of 51342341200 is 214324315.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342341201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931080 + ... + 984679.

Almost surely, 251342341200 is an apocalyptic number.

51342341200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51342341200 is an abundant number, since it is smaller than the sum of its proper divisors (73848743280).

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

51342341200 is a wasteful number, since it uses less digits than its factorization.

51342341200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915844 (or 1915833 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51342341200 its reverse (214324315), we get a palindrome (51556665515).

The spelling of 51342341200 in words is "fifty-one billion, three hundred forty-two million, three hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 134 200 268 335 400 536 670 1072 1340 1675 2680 3350 5360 6700 13400 26800 1915759 3831518 7663036 9578795 15326072 19157590 30652144 38315180 47893975 76630360 95787950 128355853 153260720 191575900 256711706 383151800 513423412 641779265 766303600 1026846824 1283558530 2053693648 2567117060 3208896325 5134234120 6417792650 10268468240 12835585300 25671170600 51342341200