Search a number
-
+
21934816710400 = 2852111994213719
BaseRepresentation
bin1001111110011000110001…
…11101010100111100000000
32212122221121002110011020201
410333030120331110330000
510333340001034213100
6114352414331014544
74422511130505526
oct477143075247400
985587532404221
1021934816710400
116a9755a214650
12256314589a454
13c315a12a6059
1455b917ac4316
1528089555136a
hex13f318f54f00

21934816710400 has 432 divisors, whose sum is σ = 59682805056000. Its totient is φ = 7915235328000.

The previous prime is 21934816710337. The next prime is 21934816710437. The reversal of 21934816710400 is 401761843912.

It is a super-2 number, since 2×219348167104002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5898039741 + ... + 5898043459.

Almost surely, 221934816710400 is an apocalyptic number.

21934816710400 is a gapful number since it is divisible by the number (20) 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 21934816710400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29841402528000).

21934816710400 is an abundant number, since it is smaller than the sum of its proper divisors (37747988345600).

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

21934816710400 is a wasteful number, since it uses less digits than its factorization.

21934816710400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 21934816710400 in words is "twenty-one trillion, nine hundred thirty-four billion, eight hundred sixteen million, seven hundred ten thousand, four hundred".