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12103042413 = 3711312417013
BaseRepresentation
bin10110100010110010…
…11100010101101101
31011020111000020222010
423101121130111231
5144241334324123
65320550111433
7605632106640
oct132131342555
934214006863
1012103042413
1151509409a0
12241934b579
1311ab602077
1482b5a1a57
154ac826993
hex2d165c56d

12103042413 has 64 divisors (see below), whose sum is σ = 20857503744. Its totient is φ = 6058368000.

The previous prime is 12103042397. The next prime is 12103042433. The reversal of 12103042413 is 31424030121.

It is not a de Polignac number, because 12103042413 - 24 = 12103042397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12103042413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103042433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1722295 + ... + 1729307.

It is an arithmetic number, because the mean of its divisors is an integer number (325898496).

Almost surely, 212103042413 is an apocalyptic number.

It is an amenable number.

12103042413 is a deficient number, since it is larger than the sum of its proper divisors (8754461331).

12103042413 is a wasteful number, since it uses less digits than its factorization.

12103042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12103042413 its reverse (31424030121), we get a palindrome (43527072534).

The spelling of 12103042413 in words is "twelve billion, one hundred three million, forty-two thousand, four hundred thirteen".

Divisors: 1 3 7 11 21 31 33 77 93 217 231 241 341 651 723 1023 1687 2387 2651 5061 7013 7161 7471 7953 18557 21039 22413 49091 52297 55671 77143 82181 147273 156891 217403 231429 246543 540001 575267 652209 1521821 1620003 1690133 1725801 2391433 4565463 5070399 7174299 11830931 16740031 18591463 35492793 50220093 52394123 55774389 130140241 157182369 366758861 390420723 576335353 1100276583 1729006059 4034347471 12103042413