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208101445388 = 22192738176913
BaseRepresentation
bin1100000111001111010…
…0000000111100001100
3201220010221120202022022
43001303310000330030
511402142432223023
6235333412105312
721014643046214
oct3016364007414
9656127522268
10208101445388
1180289928011
12343b8905238
1316815890945
14a102035244
15562e80c7c8
hex3073d00f0c

208101445388 has 12 divisors (see below), whose sum is σ = 383344767960. Its totient is φ = 98574368832.

The previous prime is 208101445379. The next prime is 208101445411. The reversal of 208101445388 is 883544101802.

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, 1369088381 + ... + 1369088532.

It is an arithmetic number, because the mean of its divisors is an integer number (31945397330).

Almost surely, 2208101445388 is an apocalyptic number.

It is an amenable number.

208101445388 is a deficient number, since it is larger than the sum of its proper divisors (175243322572).

208101445388 is a wasteful number, since it uses less digits than its factorization.

208101445388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738176936 (or 2738176934 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 208101445388 in words is "two hundred eight billion, one hundred one million, four hundred forty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 19 38 76 2738176913 5476353826 10952707652 52025361347 104050722694 208101445388