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10031443398 = 232557302411
BaseRepresentation
bin10010101011110101…
…11010110111000110
3221220002221010100200
421111322322313012
5131021022142043
64335224351330
7503405601444
oct112572726706
927802833320
1010031443398
114288540999
121b3b615546
13c3b379432
146b23c9b94
153daa1e7d3
hex255ebadc6

10031443398 has 12 divisors (see below), whose sum is σ = 21734794068. Its totient is φ = 3343814460.

The previous prime is 10031443397. The next prime is 10031443439. The reversal of 10031443398 is 89334413001.

10031443398 is a `hidden beast` number, since 1 + 0 + 0 + 314 + 4 + 339 + 8 = 666.

It is a super-3 number, since 3×100314433983 (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031443397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278651188 + ... + 278651223.

It is an arithmetic number, because the mean of its divisors is an integer number (1811232839).

Almost surely, 210031443398 is an apocalyptic number.

10031443398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10031443398 is an abundant number, since it is smaller than the sum of its proper divisors (11703350670).

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

10031443398 is a wasteful number, since it uses less digits than its factorization.

10031443398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557302419 (or 557302416 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 10031443398 its reverse (89334413001), we get a palindrome (99365856399).

The spelling of 10031443398 in words is "ten billion, thirty-one million, four hundred forty-three thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 18 557302411 1114604822 1671907233 3343814466 5015721699 10031443398