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1287000012034 = 2114359175913109
BaseRepresentation
bin10010101110100111001…
…011011011010100000010
311120000222020120122021101
4102232213023123110002
5132041234000341114
62423123432445014
7161661026414002
oct22564713332402
94500866518241
101287000012034
114568a4a55890
1218951984976a
1394495a2b079
1446410c24002
15237279c6d74
hex12ba72db502

1287000012034 has 64 divisors (see below), whose sum is σ = 2192914944000. Its totient is φ = 561348527040.

The previous prime is 1287000012031. The next prime is 1287000012059. The reversal of 1287000012034 is 4302100007821.

It is a super-2 number, since 2×12870000120342 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1287000011993 and 1287000012011.

It is not an unprimeable number, because it can be changed into a prime (1287000012031) 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, 98170272 + ... + 98183380.

It is an arithmetic number, because the mean of its divisors is an integer number (34264296000).

Almost surely, 21287000012034 is an apocalyptic number.

1287000012034 is a deficient number, since it is larger than the sum of its proper divisors (905914931966).

1287000012034 is a wasteful number, since it uses less digits than its factorization.

1287000012034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14983.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 1287000012034 its reverse (4302100007821), we get a palindrome (5589100019855).

The spelling of 1287000012034 in words is "one trillion, two hundred eighty-seven billion, twelve thousand, thirty-four".

Divisors: 1 2 11 22 43 59 86 118 473 649 946 1298 1759 2537 3518 5074 13109 19349 26218 27907 38698 55814 75637 103781 144199 151274 207562 288398 563687 773431 832007 1127374 1141591 1546862 1664014 2283182 4462583 6200557 8507741 8925166 12401114 17015482 23058731 33257533 46117462 49088413 66515066 98176826 253646041 365832863 507292082 731665726 991525433 1360465129 1983050866 2720930258 10906779763 14965116419 21813559526 29930232838 58500000547 117000001094 643500006017 1287000012034