Search a number
-
+
10421243243400 = 23352117283216803
BaseRepresentation
bin1001011110100110001010…
…0000000110101110001000
31100220021001100201012101210
42113221202200012232020
52331220201232242100
634055241505413120
72123624060004453
oct227514240065610
940807040635353
1010421243243400
113358696147620
12120385933a1a0
135a79468c6872
1428056876249a
151311317d5c50
hex97a62806b88

10421243243400 has 192 divisors, whose sum is σ = 35247751499520. Its totient is φ = 2526003462400.

The previous prime is 10421243243399. The next prime is 10421243243401. The reversal of 10421243243400 is 434234212401.

It is an interprime number because it is at equal distance from previous prime (10421243243399) and next prime (10421243243401).

It is a super-2 number, since 2×104212432434002 (a number of 27 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 (10421243243401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47959399 + ... + 48176201.

It is an arithmetic number, because the mean of its divisors is an integer number (183582039060).

Almost surely, 210421243243400 is an apocalyptic number.

10421243243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421243243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17623875749760).

10421243243400 is an abundant number, since it is smaller than the sum of its proper divisors (24826508256120).

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

10421243243400 is a wasteful number, since it uses less digits than its factorization.

10421243243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224116 (or 224107 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 10421243243400 its reverse (434234212401), we get a palindrome (10855477455801).

The spelling of 10421243243400 in words is "ten trillion, four hundred twenty-one billion, two hundred forty-three million, two hundred forty-three thousand, four hundred".