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13423410143444 = 22713931311019089
BaseRepresentation
bin1100001101010110000110…
…0101111110000011010100
31202112021011112101101220002
43003111201211332003110
53224412120444042234
644314343545230432
72553544421421440
oct303254145760324
952467145341802
1013423410143444
114305922095384
121609668a92418
13764a8c339132
143459a735b820
151842913a927e
hexc356197e0d4

13423410143444 has 48 divisors (see below), whose sum is σ = 27126354998400. Its totient is φ = 5693254235136.

The previous prime is 13423410143411. The next prime is 13423410143483. The reversal of 13423410143444 is 44434101432431.

It is a happy number.

It is a super-2 number, since 2×134234101434442 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13423410143398 and 13423410143407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4291349 + ... + 6727740.

It is an arithmetic number, because the mean of its divisors is an integer number (565132395800).

Almost surely, 213423410143444 is an apocalyptic number.

13423410143444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13423410143444 is an abundant number, since it is smaller than the sum of its proper divisors (13702944854956).

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

13423410143444 is a wasteful number, since it uses less digits than its factorization.

13423410143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019552 (or 11019550 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 13423410143444 its reverse (44434101432431), we get a palindrome (57857511575875).

The spelling of 13423410143444 in words is "thirteen trillion, four hundred twenty-three billion, four hundred ten million, one hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 139 278 313 556 626 973 1252 1946 2191 3892 4382 8764 43507 87014 174028 304549 609098 1218196 11019089 22038178 44076356 77133623 154267246 308534492 1531653371 3063306742 3448974857 6126613484 6897949714 10721573597 13795899428 21443147194 24142823999 42886294388 48285647998 96571295996 479407505123 958815010246 1917630020492 3355852535861 6711705071722 13423410143444