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407399486943 = 31171175965929
BaseRepresentation
bin1011110110110101110…
…01101101010111011111
31102221120101000020211210
411323122321231113133
523133323232040233
6511053504515503
741301511334151
oct5733271552737
91387511006753
10407399486943
11147860431469
1266b5931bb93
132c557636197
1415a0abccad1
15a8e6324163
hex5edae6d5df

407399486943 has 16 divisors (see below), whose sum is σ = 543980518400. Its totient is φ = 271209332160.

The previous prime is 407399486833. The next prime is 407399486947. The reversal of 407399486943 is 349684993704.

It is not a de Polignac number, because 407399486943 - 28 = 407399486687 is a prime.

It is a super-2 number, since 2×4073994869432 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407399486947) 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, 6146403 + ... + 6212331.

It is an arithmetic number, because the mean of its divisors is an integer number (33998782400).

Almost surely, 2407399486943 is an apocalyptic number.

407399486943 is a deficient number, since it is larger than the sum of its proper divisors (136581031457).

407399486943 is a wasteful number, since it uses less digits than its factorization.

407399486943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68862.

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 407399486943 in words is "four hundred seven billion, three hundred ninety-nine million, four hundred eighty-six thousand, nine hundred forty-three".

Divisors: 1 3 1171 1759 3513 5277 65929 197787 2059789 6179367 77202859 115969111 231608577 347907333 135799828981 407399486943