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73420854481 = 13171917485319
BaseRepresentation
bin100010001100000111…
…0010101010011010001
321000111211021212000201
41010120032111103101
52200331214320411
653421251415201
75206302652222
oct1043016252321
9230454255021
1073420854481
1129157181737
12122905b4501
136c010927c0
1437a7091249
151d9aad73c1
hex11183954d1

73420854481 has 16 divisors (see below), whose sum is σ = 88126012800. Its totient is φ = 60429259008.

The previous prime is 73420854457. The next prime is 73420854571. The reversal of 73420854481 is 18445802437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-73420854481 is a prime.

It is a super-2 number, since 2×734208544812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73420854401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8738461 + ... + 8746858.

It is an arithmetic number, because the mean of its divisors is an integer number (5507875800).

Almost surely, 273420854481 is an apocalyptic number.

It is an amenable number.

73420854481 is a deficient number, since it is larger than the sum of its proper divisors (14705158319).

73420854481 is a wasteful number, since it uses less digits than its factorization.

73420854481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17485368.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 73420854481 in words is "seventy-three billion, four hundred twenty million, eight hundred fifty-four thousand, four hundred eighty-one".

Divisors: 1 13 17 19 221 247 323 4199 17485319 227309147 297250423 332221061 3864255499 4318873793 5647758037 73420854481