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227980881664 = 283172809307
BaseRepresentation
bin1101010001010010111…
…0000010111100000000
3210210110101020202012221
43110110232002330000
512213401101203124
6252422153300424
722320402343324
oct3242456027400
9723411222187
10227980881664
118876029a798
1238226404714
13186632a4ba3
14b06a2d5984
155de4bb0ce4
hex3514b82f00

227980881664 has 36 divisors (see below), whose sum is σ = 456506931384. Its totient is φ = 113630809088.

The previous prime is 227980881641. The next prime is 227980881743. The reversal of 227980881664 is 466188089722.

227980881664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323502 + ... + 1485805.

It is an arithmetic number, because the mean of its divisors is an integer number (12680748094).

Almost surely, 2227980881664 is an apocalyptic number.

It is an amenable number.

227980881664 is an abundant number, since it is smaller than the sum of its proper divisors (228526049720).

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

227980881664 is an equidigital number, since it uses as much as digits as its factorization.

227980881664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809640 (or 2809626 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 227980881664 in words is "two hundred twenty-seven billion, nine hundred eighty million, eight hundred eighty-one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 317 634 1268 2536 5072 10144 20288 40576 81152 2809307 5618614 11237228 22474456 44948912 89897824 179795648 359591296 719182592 890550319 1781100638 3562201276 7124402552 14248805104 28497610208 56995220416 113990440832 227980881664