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53247212546145 = 3543139648191639
BaseRepresentation
bin11000001101101100101010…
…01100000110100001100001
320222112101100210110001212120
430012312111030012201201
523434400242402434040
6305125233131414453
714133661364562312
oct1406662514064141
9228471323401776
1053247212546145
1115a6a01a36a742
125b7b7bb8b4429
132393262988287
14d21270a36609
156251376107d0
hex306d95306861

53247212546145 has 64 divisors (see below), whose sum is σ = 87818509363200. Its totient is φ = 27533978680320.

The previous prime is 53247212546141. The next prime is 53247212546183. The reversal of 53247212546145 is 54164521274235.

It is not a de Polignac number, because 53247212546145 - 22 = 53247212546141 is a prime.

It is a super-2 number, since 2×532472125461452 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53247212546141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 581008236 + ... + 581099874.

It is an arithmetic number, because the mean of its divisors is an integer number (1372164208800).

Almost surely, 253247212546145 is an apocalyptic number.

It is an amenable number.

53247212546145 is a deficient number, since it is larger than the sum of its proper divisors (34571296817055).

53247212546145 is a wasteful number, since it uses less digits than its factorization.

53247212546145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98310.

The product of its digits is 8064000, while the sum is 51.

The spelling of 53247212546145 in words is "fifty-three trillion, two hundred forty-seven billion, two hundred twelve million, five hundred forty-six thousand, one hundred forty-five".

Divisors: 1 3 5 15 43 129 139 215 417 645 695 2085 5977 6481 17931 19443 29885 32405 89655 91639 97215 274917 278683 458195 836049 900859 1374585 1393415 2702577 3940477 4180245 4504295 11821431 12737821 13512885 19702385 38213463 38736937 59107155 63689105 116210811 191067315 193684685 547726303 581054055 593912359 1643178909 1781737077 2738631515 2969561795 8215894545 8908685385 25538231437 76614694311 82553817901 127691157185 247661453703 383073471555 412769089505 1238307268515 3549814169743 10649442509229 17749070848715 53247212546145