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102109185051480 = 23325319794325449
BaseRepresentation
bin10111001101111000100101…
…101101000000101101011000
3111101112112122200002200102100
4113031320211231000231120
5101340424102333121410
61001100151222203400
730336100536234465
oct2715704555005530
9441475580080370
10102109185051480
112a598297a871a2
12b55153b583560
1344c8b160bc249
141b3017a54866c
15bc11630688c0
hex5cde25b40b58

102109185051480 has 192 divisors, whose sum is σ = 346091395104000. Its totient is φ = 26079099863040.

The previous prime is 102109185051451. The next prime is 102109185051493. The reversal of 102109185051480 is 84150581901201.

102109185051480 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 0 + 9 + 1 + 8 + 50 + 514 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 46080205 + ... + 48245244.

It is an arithmetic number, because the mean of its divisors is an integer number (1802559349500).

Almost surely, 2102109185051480 is an apocalyptic number.

102109185051480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102109185051480 is an abundant number, since it is smaller than the sum of its proper divisors (243982210052520).

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

102109185051480 is a wasteful number, since it uses less digits than its factorization.

102109185051480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94325594 (or 94325587 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The spelling of 102109185051480 in words is "one hundred two trillion, one hundred nine billion, one hundred eighty-five million, fifty-one thousand, four hundred eighty".