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102211969408 = 27798531011
BaseRepresentation
bin101111100110001001…
…1101110000110000000
3100202211022212000211121
41133030103232012000
53133312231010113
6114542221122024
710245623255623
oct1371423560600
9322738760747
10102211969408
113a390aa049a
12179866b9314
13983bb72193
144d38b35dba
1529d351ce8d
hex17cc4ee180

102211969408 has 16 divisors (see below), whose sum is σ = 203625408060. Its totient is φ = 51105984640.

The previous prime is 102211969381. The next prime is 102211969417. The reversal of 102211969408 is 804969112201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399265378 + ... + 399265633.

Almost surely, 2102211969408 is an apocalyptic number.

It is an amenable number.

102211969408 is a deficient number, since it is larger than the sum of its proper divisors (101413438652).

102211969408 is an frugal number, since it uses more digits than its factorization.

102211969408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798531025 (or 798531013 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 102211969408 in words is "one hundred two billion, two hundred eleven million, nine hundred sixty-nine thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 798531011 1597062022 3194124044 6388248088 12776496176 25552992352 51105984704 102211969408