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10205172208 = 2471156314713
BaseRepresentation
bin10011000000100011…
…01001000111110000
3222100012211110111001
421200101221013300
5131400011002313
64404352131344
7510615350440
oct114021510760
928305743431
1010205172208
11436760aa20
121b89836b54
13c68365a4a
146cb4d0120
153eadd9add
hex2604691f0

10205172208 has 80 divisors (see below), whose sum is σ = 24696919296. Its totient is φ = 3968709120.

The previous prime is 10205172113. The next prime is 10205172223. The reversal of 10205172208 is 80227150201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686260 + ... + 700972.

Almost surely, 210205172208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10205172208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12348459648).

10205172208 is an abundant number, since it is smaller than the sum of its proper divisors (14491747088).

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

10205172208 is a wasteful number, since it uses less digits than its factorization.

10205172208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15302 (or 15296 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 10205172208 in words is "ten billion, two hundred five million, one hundred seventy-two thousand, two hundred eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 563 616 1126 1232 2252 3941 4504 6193 7882 9008 12386 14713 15764 24772 29426 31528 43351 49544 58852 63056 86702 99088 102991 117704 161843 173404 205982 235408 323686 346808 411964 647372 693616 823928 1132901 1294744 1647856 2265802 2589488 4531604 8283419 9063208 16566838 18126416 33133676 57983933 66267352 91117609 115967866 132534704 182235218 231935732 364470436 463871464 637823263 728940872 927742928 1275646526 1457881744 2551293052 5102586104 10205172208