Search a number
-
+
55403011011450 = 23522201231677941
BaseRepresentation
bin11001001100011100001001…
…10010100111001101111010
321021011110212002120222202110
430212032010302213031322
524230210331304331300
6313455443014313150
714445510155311314
oct1446160462471572
9237143762528673
1055403011011450
11167203153a9463
1262695843587b6
1324bb634b93b4b
14d9773cdc47b4
1566125d296550
hex326384ca737a

55403011011450 has 48 divisors (see below), whose sum is σ = 137400173388576. Its totient is φ = 14774060347200.

The previous prime is 55403011011367. The next prime is 55403011011451. The reversal of 55403011011450 is 5411011030455.

55403011011450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×554030110114502 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55403011011451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32179480 + ... + 33857420.

It is an arithmetic number, because the mean of its divisors is an integer number (2862503612262).

Almost surely, 255403011011450 is an apocalyptic number.

55403011011450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55403011011450 is an abundant number, since it is smaller than the sum of its proper divisors (81997162377126).

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

55403011011450 is a wasteful number, since it uses less digits than its factorization.

55403011011450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898079 (or 1898074 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 55403011011450 in words is "fifty-five trillion, four hundred three billion, eleven million, eleven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 220123 440246 660369 1100615 1320738 1677941 2201230 3301845 3355882 5033823 5503075 6603690 8389705 10067646 11006150 16509225 16779410 25169115 33018450 41948525 50338230 83897050 125845575 251691150 369353406743 738706813486 1108060220229 1846767033715 2216120440458 3693534067430 5540301101145 9233835168575 11080602202290 18467670337150 27701505505725 55403011011450