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53112000612 = 223113715317103
BaseRepresentation
bin110001011101101110…
…001101000001100100
312002002110121011220210
4301131232031001210
51332233133004422
640222130255420
73560110361556
oct613556150144
9162073534823
1053112000612
1120585381190
12a363127570
13501570a0c8
1427dbb6d4d6
1515acbae10c
hexc5db8d064

53112000612 has 96 divisors (see below), whose sum is σ = 138958331904. Its totient is φ = 15647126400.

The previous prime is 53112000587. The next prime is 53112000631. The reversal of 53112000612 is 21600021135.

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 31 ways as a sum of consecutive naturals, for example, 7473853 + ... + 7480955.

It is an arithmetic number, because the mean of its divisors is an integer number (1447482624).

Almost surely, 253112000612 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 53112000612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69479165952).

53112000612 is an abundant number, since it is smaller than the sum of its proper divisors (85846331292).

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

53112000612 is a wasteful number, since it uses less digits than its factorization.

53112000612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 53112000612 its reverse (21600021135), we get a palindrome (74712021747).

The spelling of 53112000612 in words is "fifty-three billion, one hundred twelve million, six hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 222 407 444 814 1221 1531 1628 2442 3062 4593 4884 6124 7103 9186 14206 16841 18372 21309 28412 33682 42618 50523 56647 67364 78133 85236 101046 113294 156266 169941 202092 226588 234399 262811 312532 339882 468798 525622 623117 679764 788433 937596 1051244 1246234 1576866 1869351 2492468 2890921 3153732 3738702 5781842 7477404 8672763 10874693 11563684 17345526 21749386 32624079 34691052 43498772 65248158 119621623 130496316 239243246 358864869 402363641 478486492 717729738 804727282 1207090923 1435459476 1609454564 2414181846 4426000051 4828363692 8852000102 13278000153 17704000204 26556000306 53112000612