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51730754645152 = 2511919159915529
BaseRepresentation
bin10111100001100100000010…
…10000010010110010100000
320210011102010020100221021101
423300302001100102302200
523240024041142121102
6302004440340004144
713616265216236152
oct1360620120226240
9223142106327241
1051730754645152
1115534987419790
125975925090654
1322b325c98371b
14cabad36c0ad2
155ea980470e87
hex2f0c81412ca0

51730754645152 has 48 divisors (see below), whose sum is σ = 111224449425600. Its totient is φ = 23488392752640.

The previous prime is 51730754645111. The next prime is 51730754645153. The reversal of 51730754645152 is 25154645703715.

It is a junction number, because it is equal to n+sod(n) for n = 51730754645093 and 51730754645102.

It is not an unprimeable number, because it can be changed into a prime (51730754645153) 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, 79634277 + ... + 80281252.

It is an arithmetic number, because the mean of its divisors is an integer number (2317176029700).

Almost surely, 251730754645152 is an apocalyptic number.

It is an amenable number.

51730754645152 is an abundant number, since it is smaller than the sum of its proper divisors (59493694780448).

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

51730754645152 is a wasteful number, since it uses less digits than its factorization.

51730754645152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159916469 (or 159916461 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 51730754645152 in words is "fifty-one trillion, seven hundred thirty billion, seven hundred fifty-four million, six hundred forty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 919 1838 3676 7352 10109 14704 20218 29408 40436 80872 161744 323488 159915529 319831058 639662116 1279324232 1759070819 2558648464 3518141638 5117296928 7036283276 14072566552 28145133104 56290266208 146962371151 293924742302 587849484604 1175698969208 1616586082661 2351397938416 3233172165322 4702795876832 6466344330644 12932688661288 25865377322576 51730754645152