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102175072870 = 25132226726669
BaseRepresentation
bin101111100101000011…
…0111110001001100110
3100202201202102111022011
41133022012332021212
53133223304312440
6114534422224434
710244664534553
oct1371206761146
9322652374264
10102175072870
113a37218a592
121797628511a
139834324100
144d33c8da2a
1529d01809ea
hex17ca1be266

102175072870 has 48 divisors (see below), whose sum is σ = 199246022640. Its totient is φ = 37708125312.

The previous prime is 102175072859. The next prime is 102175072871. The reversal of 102175072870 is 78270571201.

102175072870 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 not an unprimeable number, because it can be changed into a prime (102175072871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3817896 + ... + 3844564.

It is an arithmetic number, because the mean of its divisors is an integer number (4150958805).

Almost surely, 2102175072870 is an apocalyptic number.

102175072870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102175072870 is a deficient number, since it is larger than the sum of its proper divisors (97070949770).

102175072870 is a wasteful number, since it uses less digits than its factorization.

102175072870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969 (or 28956 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 102175072870 in words is "one hundred two billion, one hundred seventy-five million, seventy-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 2267 4534 11335 22670 26669 29471 53338 58942 133345 147355 266690 294710 346697 383123 693394 766246 1733485 1915615 3466970 3831230 4507061 9014122 22535305 45070610 60458623 120917246 302293115 604586230 785962099 1571924198 3929810495 7859620990 10217507287 20435014574 51087536435 102175072870