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13424243410420 = 2251301995155279
BaseRepresentation
bin1100001101011001001101…
…0000101000010111110100
31202112100022121022202021221
43003112103100220113310
53224420322303113140
644315002353120124
72553604160161303
oct303262320502764
952470277282257
1013424243410420
11430620a488177
12160985bb59044
13764b92b6900b
14345a45ca643a
151842de60314a
hexc35934285f4

13424243410420 has 24 divisors (see below), whose sum is σ = 28191133152000. Its totient is φ = 5369655080352.

The previous prime is 13424243410301. The next prime is 13424243410429. The reversal of 13424243410420 is 2401434242431.

It is a super-2 number, since 2×134242434104202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424243410429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26341 + ... + 5181619.

It is an arithmetic number, because the mean of its divisors is an integer number (1174630548000).

Almost surely, 213424243410420 is an apocalyptic number.

13424243410420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424243410420 is an abundant number, since it is smaller than the sum of its proper divisors (14766889741580).

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

13424243410420 is a wasteful number, since it uses less digits than its factorization.

13424243410420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285487 (or 5285485 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 13424243410420 its reverse (2401434242431), we get a palindrome (15825677652851).

The spelling of 13424243410420 in words is "thirteen trillion, four hundred twenty-four billion, two hundred forty-three million, four hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 130199 260398 520796 650995 1301990 2603980 5155279 10310558 20621116 25776395 51552790 103105580 671212170521 1342424341042 2684848682084 3356060852605 6712121705210 13424243410420