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214644353644 = 22729264340337
BaseRepresentation
bin1100011111100111001…
…1001110101001101100
3202112000221012221002201
43013321303032221230
512004042423304034
6242334541231244
721336041621410
oct3077163165154
9675027187081
10214644353644
1183037161906
1235723b62524
1317319285ca6
14a562da8d40
1558b3e37014
hex31f9ccea6c

214644353644 has 24 divisors (see below), whose sum is σ = 444091767840. Its totient is φ = 88818352896.

The previous prime is 214644353641. The next prime is 214644353653. The reversal of 214644353644 is 446353446412.

It is a junction number, because it is equal to n+sod(n) for n = 214644353594 and 214644353603.

It is not an unprimeable number, because it can be changed into a prime (214644353641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132169357 + ... + 132170980.

It is an arithmetic number, because the mean of its divisors is an integer number (18503823660).

Almost surely, 2214644353644 is an apocalyptic number.

It is an amenable number.

214644353644 is an abundant number, since it is smaller than the sum of its proper divisors (229447414196).

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

214644353644 is a wasteful number, since it uses less digits than its factorization.

214644353644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264340377 (or 264340375 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 46.

The spelling of 214644353644 in words is "two hundred fourteen billion, six hundred forty-four million, three hundred fifty-three thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 264340337 528680674 1057361348 1850382359 3700764718 7401529436 7665869773 15331739546 30663479092 53661088411 107322176822 214644353644