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102048251965 = 5111855422763
BaseRepresentation
bin101111100001010001…
…1001100000000111101
3100202101220210022201121
41133002203030000331
53132443323030330
6114514052110541
710241564554402
oct1370243140075
9322356708647
10102048251965
113a30763a120
121793b905451
139813c7c65a
144d210ba2a9
1529c3e7e17a
hex17c28cc03d

102048251965 has 8 divisors (see below), whose sum is σ = 133590439008. Its totient is φ = 74216910480.

The previous prime is 102048251909. The next prime is 102048251999. The reversal of 102048251965 is 569152840201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-102048251965 is a prime.

It is a super-2 number, since 2×1020482519652 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 927711327 + ... + 927711436.

It is an arithmetic number, because the mean of its divisors is an integer number (16698804876).

Almost surely, 2102048251965 is an apocalyptic number.

It is an amenable number.

102048251965 is a deficient number, since it is larger than the sum of its proper divisors (31542187043).

102048251965 is a wasteful number, since it uses less digits than its factorization.

102048251965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855422779.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 102048251965 in words is "one hundred two billion, forty-eight million, two hundred fifty-one thousand, nine hundred sixty-five".

Divisors: 1 5 11 55 1855422763 9277113815 20409650393 102048251965