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10140231405 = 354315721289
BaseRepresentation
bin10010111000110011…
…11010011011101101
3222011200122010110010
421130121322123231
5131231344401110
64354112203433
7506166354603
oct113431723355
928150563403
1010140231405
114333994a37
121b6bb39579
13c57a78c35
146c2a27873
153e535d020
hex25c67a6ed

10140231405 has 16 divisors (see below), whose sum is σ = 16601682240. Its totient is φ = 5282352768.

The previous prime is 10140231401. The next prime is 10140231461. The reversal of 10140231405 is 50413204101.

It is not a de Polignac number, because 10140231405 - 22 = 10140231401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140231401) 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, 7860000 + ... + 7861289.

It is an arithmetic number, because the mean of its divisors is an integer number (1037605140).

Almost surely, 210140231405 is an apocalyptic number.

10140231405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10140231405 is a deficient number, since it is larger than the sum of its proper divisors (6461450835).

10140231405 is a wasteful number, since it uses less digits than its factorization.

10140231405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15721340.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10140231405 its reverse (50413204101), we get a palindrome (60553435506).

The spelling of 10140231405 in words is "ten billion, one hundred forty million, two hundred thirty-one thousand, four hundred five".

Divisors: 1 3 5 15 43 129 215 645 15721289 47163867 78606445 235819335 676015427 2028046281 3380077135 10140231405