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75132811005 = 357223214389
BaseRepresentation
bin100010111111001000…
…0111011011011111101
321011221010122020212220
41011332100323123331
52212332444423010
654303204515553
75266601233140
oct1057620733375
9234833566786
1075132811005
1129955570a3a
12126899abbb9
137114967325
1438ca5aa057
151e4b04d970
hex117e43b6fd

75132811005 has 48 divisors (see below), whose sum is σ = 138014144640. Its totient is φ = 34190031744.

The previous prime is 75132810983. The next prime is 75132811021. The reversal of 75132811005 is 50011823157.

It is not a de Polignac number, because 75132811005 - 26 = 75132810941 is a prime.

It is a super-2 number, since 2×751328110052 (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 47 ways as a sum of consecutive naturals, for example, 5214351 + ... + 5228739.

It is an arithmetic number, because the mean of its divisors is an integer number (2875294680).

Almost surely, 275132811005 is an apocalyptic number.

It is an amenable number.

75132811005 is a deficient number, since it is larger than the sum of its proper divisors (62881333635).

75132811005 is a wasteful number, since it uses less digits than its factorization.

75132811005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14850 (or 14627 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 75132811005 in words is "seventy-five billion, one hundred thirty-two million, eight hundred eleven thousand, five".

Divisors: 1 3 5 7 15 21 35 105 223 669 1115 1561 3345 4683 7805 14389 23415 43167 49729 71945 100723 149187 215835 248645 302169 348103 503615 745935 1044309 1510845 1740515 3208747 5221545 9626241 16043735 22461229 48131205 67383687 112306145 336918435 715550581 2146651743 3577752905 5008854067 10733258715 15026562201 25044270335 75132811005