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390104576173 = 13291324978101
BaseRepresentation
bin1011010110101000000…
…10110111000010101101
31101021221001120202102001
411223110002313002231
522342413232414143
6455113410532301
740120104120604
oct5532402670255
91337831522361
10390104576173
11140495954a84
1263731297091
132aa2c507580
1414c49ca2a3b
15a232ce614d
hex5ad40b70ad

390104576173 has 16 divisors (see below), whose sum is σ = 434637630000. Its totient is φ = 347648716800.

The previous prime is 390104576161. The next prime is 390104576177. The reversal of 390104576173 is 371675401093.

It can be written as a sum of positive squares in 8 ways, for example, as 5037166729 + 385067409444 = 70973^2 + 620538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-390104576173 is a prime.

It is a super-2 number, since 2×3901045761732 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390104576177) 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 15 ways as a sum of consecutive naturals, for example, 4955823 + ... + 5033923.

It is an arithmetic number, because the mean of its divisors is an integer number (27164851875).

Almost surely, 2390104576173 is an apocalyptic number.

It is an amenable number.

390104576173 is a deficient number, since it is larger than the sum of its proper divisors (44533053827).

390104576173 is a wasteful number, since it uses less digits than its factorization.

390104576173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91392.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 390104576173 in words is "three hundred ninety billion, one hundred four million, five hundred seventy-six thousand, one hundred seventy-three".

Divisors: 1 13 29 377 13249 78101 172237 384221 1015313 2264929 4994873 29444077 1034760149 13451881937 30008044321 390104576173