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51763488010780 = 2257134759731091289
BaseRepresentation
bin10111100010100001000000…
…10100001011001000011100
320210021112121110222012101111
423301100200110023020130
523241043110412321110
6302031452413351404
713621534326245050
oct1361204024131034
9223245543865344
1051763488010780
1115547854568877
12598013b498564
1322b6378415120
14cad51ab65c60
155eb749020e8a
hex2f142050b21c

51763488010780 has 768 divisors, whose sum is σ = 142257088512000. Its totient is φ = 15391481462784.

The previous prime is 51763488010771. The next prime is 51763488010799. The reversal of 51763488010780 is 8701088436715.

It is a congruent 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 255 ways as a sum of consecutive naturals, for example, 40157864376 + ... + 40157865664.

It is an arithmetic number, because the mean of its divisors is an integer number (185230584000).

Almost surely, 251763488010780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51763488010780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71128544256000).

51763488010780 is an abundant number, since it is smaller than the sum of its proper divisors (90493600501220).

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

51763488010780 is a wasteful number, since it uses less digits than its factorization.

51763488010780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 51763488010780 in words is "fifty-one trillion, seven hundred sixty-three billion, four hundred eighty-eight million, ten thousand, seven hundred eighty".