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481238347507284 = 2231092423151844501
BaseRepresentation
bin110110101101011110000100…
…0110000010110011001010100
32100002220221021212102110101210
41231122330020300112121110
51001034102113430213114
64423301502252221420
7203236215605150553
oct15532741060263124
92302827255373353
10481238347507284
1112a379045345704
1245b83270a6a870
131786a773595583
1486ba0bb657d9a
153a981a911c259
hex1b5af08c16654

481238347507284 has 48 divisors (see below), whose sum is σ = 1133658904371840. Its totient is φ = 158875507728000.

The previous prime is 481238347507249. The next prime is 481238347507343. The reversal of 481238347507284 is 482705743832184.

It is a super-2 number, since 2×4812383475072842 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72752967 + ... + 79091534.

It is an arithmetic number, because the mean of its divisors is an integer number (23617893841080).

Almost surely, 2481238347507284 is an apocalyptic number.

It is an amenable number.

481238347507284 is an abundant number, since it is smaller than the sum of its proper divisors (652420556864556).

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

481238347507284 is a wasteful number, since it uses less digits than its factorization.

481238347507284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151847040 (or 151847038 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 66.

The spelling of 481238347507284 in words is "four hundred eighty-one trillion, two hundred thirty-eight billion, three hundred forty-seven million, five hundred seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 2423 4846 7269 9692 14538 29076 264107 528214 792321 1056428 1584642 3169284 151844501 303689002 455533503 607378004 911067006 1822134012 16551050609 33102101218 49653151827 66204202436 99306303654 198612607308 367919225923 735838451846 1103757677769 1471676903692 2207515355538 4415030711076 40103195625607 80206391251214 120309586876821 160412782502428 240619173753642 481238347507284