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102064560880 = 2451737374607
BaseRepresentation
bin101111100001110000…
…1011001101011110000
3100202110001110220100111
41133003201121223300
53133012011422010
6114515433431104
710242153311302
oct1370341315360
9322401426314
10102064560880
113a315869267
121794526b494
13981746c9b9
144d23323972
1529c560158a
hex17c3859af0

102064560880 has 40 divisors (see below), whose sum is σ = 238671813312. Its totient is φ = 40589831424.

The previous prime is 102064560863. The next prime is 102064560911. The reversal of 102064560880 is 88065460201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673464 + ... + 3701143.

Almost surely, 2102064560880 is an apocalyptic number.

102064560880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102064560880 is an abundant number, since it is smaller than the sum of its proper divisors (136607252432).

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

102064560880 is a wasteful number, since it uses less digits than its factorization.

102064560880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374793 (or 7374787 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 102064560880 in words is "one hundred two billion, sixty-four million, five hundred sixty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 173 346 692 865 1384 1730 2768 3460 6920 13840 7374607 14749214 29498428 36873035 58996856 73746070 117993712 147492140 294984280 589968560 1275807011 2551614022 5103228044 6379035055 10206456088 12758070110 20412912176 25516140220 51032280440 102064560880