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105000523115412 = 2238750043592951
BaseRepresentation
bin10111110111111101010110…
…111000011010101110010100
3111202202221200222202200010210
4113313331112320122232110
5102230312032404143122
61011152324023245420
731055015563254261
oct2767752670325624
9452687628680123
10105000523115412
1130502520a39021
12b93997a8a9870
1346786786c6752
141bd00a3c4a268
15c21487dc340c
hex5f7f56e1ab94

105000523115412 has 12 divisors (see below), whose sum is σ = 245001220602656. Its totient is φ = 35000174371800.

The previous prime is 105000523115363. The next prime is 105000523115417. The reversal of 105000523115412 is 214511325000501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1050005231154122 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105000523115412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105000523115417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375021796464 + ... + 4375021796487.

Almost surely, 2105000523115412 is an apocalyptic number.

105000523115412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105000523115412 is an abundant number, since it is smaller than the sum of its proper divisors (140000697487244).

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

105000523115412 is a wasteful number, since it uses less digits than its factorization.

105000523115412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750043592958 (or 8750043592956 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 105000523115412 its reverse (214511325000501), we get a palindrome (319511848115913).

The spelling of 105000523115412 in words is "one hundred five trillion, five hundred twenty-three million, one hundred fifteen thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 8750043592951 17500087185902 26250130778853 35000174371804 52500261557706 105000523115412