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51607742437030 = 25131948742903127
BaseRepresentation
bin10111011101111110111010…
…01001111101011010100110
320202201122121022012022001011
423232333131021331122212
523231020124030441110
6301432134121252434
713604351652563653
oct1356773511753246
9222648538168034
1051607742437030
11154977a221606a
125955b1463411a
1322a47876cc1b0
14ca5b842b4c2a
155e7680d1448a
hex2eefdd27d6a6

51607742437030 has 64 divisors (see below), whose sum is σ = 105521101378560. Its totient is φ = 18015194219904.

The previous prime is 51607742437003. The next prime is 51607742437033. The reversal of 51607742437030 is 3073424770615.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51607742437033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20248674 + ... + 22654453.

It is an arithmetic number, because the mean of its divisors is an integer number (1648767209040).

Almost surely, 251607742437030 is an apocalyptic number.

51607742437030 is an abundant number, since it is smaller than the sum of its proper divisors (53913358941530).

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

51607742437030 is a wasteful number, since it uses less digits than its factorization.

51607742437030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42903653.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 51607742437030 in words is "fifty-one trillion, six hundred seven billion, seven hundred forty-two million, four hundred thirty-seven thousand, thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 487 494 974 1235 2435 2470 4870 6331 9253 12662 18506 31655 46265 63310 92530 120289 240578 601445 1202890 42903127 85806254 214515635 429031270 557740651 815159413 1115481302 1630318826 2788703255 4075797065 5577406510 8151594130 10597072369 20893822849 21194144738 41787645698 52985361845 104469114245 105970723690 208938228490 271619697037 396982634131 543239394074 793965268262 1358098485185 1984913170655 2716196970370 3969826341310 5160774243703 10321548487406 25803871218515 51607742437030