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21160141350 = 23521925373101
BaseRepresentation
bin10011101101001111…
…100010001000100110
32000121200112112222220
4103231033202020212
5321313444010400
613415411133210
71346240143125
oct235517421046
960550475886
1021160141350
118a79391427
1241265a4206
131cc2b549ca
14104a3dbabc
1583ca317a0
hex4ed3e2226

21160141350 has 288 divisors, whose sum is σ = 57768829344. Its totient is φ = 5121792000.

The previous prime is 21160141337. The next prime is 21160141357. The reversal of 21160141350 is 5314106112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21160141350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160141357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 209506300 + ... + 209506400.

It is an arithmetic number, because the mean of its divisors is an integer number (200586213).

Almost surely, 221160141350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21160141350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28884414672).

21160141350 is an abundant number, since it is smaller than the sum of its proper divisors (36608687994).

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

21160141350 is a wasteful number, since it uses less digits than its factorization.

21160141350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 21160141350 its reverse (5314106112), we get a palindrome (26474247462).

The spelling of 21160141350 in words is "twenty-one billion, one hundred sixty million, one hundred forty-one thousand, three hundred fifty".