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105502135501 = 715071733643
BaseRepresentation
bin110001001000001101…
…0101101010011001101
3101002022121212210020001
41202100122231103031
53212032021314001
6120244512524301
710423304232610
oct1422032552315
9332277783201
10105502135501
114081a228a24
1218544550691
139c446c0419
14516bab2177
152b272cc001
hex18906ad4cd

105502135501 has 4 divisors (see below), whose sum is σ = 120573869152. Its totient is φ = 90430401852.

The previous prime is 105502135493. The next prime is 105502135511. The reversal of 105502135501 is 105531205501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105531205501 = 811130124791.

It is not a de Polignac number, because 105502135501 - 23 = 105502135493 is a prime.

It is a super-2 number, since 2×1055021355012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105502135501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105502135511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7535866815 + ... + 7535866828.

It is an arithmetic number, because the mean of its divisors is an integer number (30143467288).

Almost surely, 2105502135501 is an apocalyptic number.

It is an amenable number.

105502135501 is a deficient number, since it is larger than the sum of its proper divisors (15071733651).

105502135501 is an equidigital number, since it uses as much as digits as its factorization.

105502135501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15071733650.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 105502135501 in words is "one hundred five billion, five hundred two million, one hundred thirty-five thousand, five hundred one".

Divisors: 1 7 15071733643 105502135501