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211614012480 = 26351322235849
BaseRepresentation
bin1100010100010100101…
…1011001010001000000
3202020012202002122111210
43011011023121101000
511431341141344410
6241114130410120
721200664266463
oct3050513312100
9666182078453
10211614012480
1181821658722
1235019130940
1316c5550a400
14a3567452da
155787d9d220
hex31452d9440

211614012480 has 336 divisors, whose sum is σ = 730920153600. Its totient is φ = 51847151616.

The previous prime is 211614012439. The next prime is 211614012481. The reversal of 211614012480 is 84210416112.

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 (211614012481) 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, 36176596 + ... + 36182444.

It is an arithmetic number, because the mean of its divisors is an integer number (2175357600).

Almost surely, 2211614012480 is an apocalyptic number.

211614012480 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 211614012480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365460076800).

211614012480 is an abundant number, since it is smaller than the sum of its proper divisors (519306141120).

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

211614012480 is a wasteful number, since it uses less digits than its factorization.

211614012480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 211614012480 its reverse (84210416112), we get a palindrome (295824428592).

The spelling of 211614012480 in words is "two hundred eleven billion, six hundred fourteen million, twelve thousand, four hundred eighty".