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10423105420 = 2257132440537
BaseRepresentation
bin10011011010100001…
…11111011110001100
3222220101220121122111
421231100333132030
5132321303333140
64442135153404
7516202635310
oct115520773614
928811817574
1010423105420
114469631412
12202a815864
13ca155b800
1470c41db40
154100d77ea
hex26d43f78c

10423105420 has 72 divisors (see below), whose sum is σ = 27087800544. Its totient is φ = 3298733568.

The previous prime is 10423105391. The next prime is 10423105453. The reversal of 10423105420 is 2450132401.

It is a super-2 number, since 2×104231054202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10423105391 and 10423105400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196609 + ... + 243928.

It is an arithmetic number, because the mean of its divisors is an integer number (376219452).

Almost surely, 210423105420 is an apocalyptic number.

10423105420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10423105420 is an abundant number, since it is smaller than the sum of its proper divisors (16664695124).

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

10423105420 is a wasteful number, since it uses less digits than its factorization.

10423105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440579 (or 440564 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10423105420 its reverse (2450132401), we get a palindrome (12873237821).

The spelling of 10423105420 in words is "ten billion, four hundred twenty-three million, one hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 169 182 260 338 364 455 676 845 910 1183 1690 1820 2366 3380 4732 5915 11830 23660 440537 881074 1762148 2202685 3083759 4405370 5726981 6167518 8810740 11453962 12335036 15418795 22907924 28634905 30837590 40088867 57269810 61675180 74450753 80177734 114539620 148901506 160355468 200444335 297803012 372253765 400888670 521155271 744507530 801777340 1042310542 1489015060 2084621084 2605776355 5211552710 10423105420