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51412759530 = 23511155796241
BaseRepresentation
bin101111111000011100…
…000111001111101010
311220201001011210100220
4233320130013033222
51320243131301110
635341345510510
73500025150126
oct577034071752
9156631153326
1051412759530
111a893187210
129b6a042436
134b04668102
1426ba204586
15150d90a370
hexbf87073ea

51412759530 has 32 divisors (see below), whose sum is σ = 134607953088. Its totient is φ = 12463699200.

The previous prime is 51412759481. The next prime is 51412759571. The reversal of 51412759530 is 3595721415.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77897791 + ... + 77898450.

It is an arithmetic number, because the mean of its divisors is an integer number (4206498534).

Almost surely, 251412759530 is an apocalyptic number.

51412759530 is an abundant number, since it is smaller than the sum of its proper divisors (83195193558).

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

51412759530 is a wasteful number, since it uses less digits than its factorization.

51412759530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155796262.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 51412759530 in words is "fifty-one billion, four hundred twelve million, seven hundred fifty-nine thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 155796241 311592482 467388723 778981205 934777446 1557962410 1713758651 2336943615 3427517302 4673887230 5141275953 8568793255 10282551906 17137586510 25706379765 51412759530