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872508720052 = 2217297144913879
BaseRepresentation
bin11001011001001011001…
…00101000001110110100
310002102002122002100210201
430230211210220032310
5103243344213020202
61504454105530244
7120015402516214
oct14544544501664
93072078070721
10872508720052
11307035476322
121211214a3984
136437b087558
143033021c244
1517a68ca2387
hexcb259283b4

872508720052 has 96 divisors (see below), whose sum is σ = 1699911360000. Its totient is φ = 389951815680.

The previous prime is 872508719947. The next prime is 872508720059. The reversal of 872508720052 is 250027805278.

It is a super-2 number, since 2×8725087200522 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872508719984 and 872508720011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872508720059) 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, 62858449 + ... + 62872327.

It is an arithmetic number, because the mean of its divisors is an integer number (17707410000).

Almost surely, 2872508720052 is an apocalyptic number.

It is an amenable number.

872508720052 is a deficient number, since it is larger than the sum of its proper divisors (827402639948).

872508720052 is a wasteful number, since it uses less digits than its factorization.

872508720052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449 (or 14447 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 872508720052 in words is "eight hundred seventy-two billion, five hundred eight million, seven hundred twenty thousand, fifty-two".

Divisors: 1 2 4 17 29 34 58 68 71 116 142 284 449 493 898 986 1207 1796 1972 2059 2414 4118 4828 7633 8236 13021 13879 15266 26042 27758 30532 31879 35003 52084 55516 63758 70006 127516 140012 221357 235943 402491 442714 471886 541943 804982 885428 924491 943772 985409 1083886 1609964 1848982 1970818 2167772 3697964 3941636 6231671 6842347 12463342 13684694 15716347 16751953 24926684 27369388 28576861 31432694 33503906 57153722 62865388 67007812 105938407 114307444 180718459 211876814 361436918 423753628 442448641 485806637 722873836 884897282 971613274 1769794564 1943226548 3072213803 6144427606 7521626897 12288855212 12831010589 15043253794 25662021178 30086507588 51324042356 218127180013 436254360026 872508720052