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102530412046 = 2235937778339
BaseRepresentation
bin101111101111101001…
…0011110111000001110
3100210122112001121000101
41133133102132320032
53134440241141141
6115033554321314
710256541060046
oct1373722367016
9323575047011
10102530412046
113a534821127
1217a5528923a
13988cb2958a
144d6914a726
152a01471531
hex17df49ee0e

102530412046 has 16 divisors (see below), whose sum is σ = 163202428800. Its totient is φ = 48205159288.

The previous prime is 102530412011. The next prime is 102530412059. The reversal of 102530412046 is 640214035201.

It is a super-2 number, since 2×1025304120462 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18886456 + ... + 18891883.

It is an arithmetic number, because the mean of its divisors is an integer number (10200151800).

Almost surely, 2102530412046 is an apocalyptic number.

102530412046 is a deficient number, since it is larger than the sum of its proper divisors (60672016754).

102530412046 is a wasteful number, since it uses less digits than its factorization.

102530412046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37778423.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 102530412046 its reverse (640214035201), we get a palindrome (742744447247).

The spelling of 102530412046 in words is "one hundred two billion, five hundred thirty million, four hundred twelve thousand, forty-six".

Divisors: 1 2 23 46 59 118 1357 2714 37778339 75556678 868901797 1737803594 2228922001 4457844002 51265206023 102530412046