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105140233451 = 1182051116491
BaseRepresentation
bin110000111101011011…
…0001010010011101011
3101001101101220020221102
41201322312022103223
53210311344432301
6120144544032015
710411321144601
oct1417266122353
9331341806842
10105140233451
1140653a14620
121846330260b
139bb772a9b6
1451359c7871
152b05641b6b
hex187ad8a4eb

105140233451 has 8 divisors (see below), whose sum is σ = 114700819008. Its totient is φ = 95580045000.

The previous prime is 105140233409. The next prime is 105140233529. The reversal of 105140233451 is 154332041501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105140233451 - 210 = 105140232427 is a prime.

It is a super-2 number, since 2×1051402334512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105140233651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844316 + ... + 960806.

It is an arithmetic number, because the mean of its divisors is an integer number (14337602376).

Almost surely, 2105140233451 is an apocalyptic number.

105140233451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105140233451 is a deficient number, since it is larger than the sum of its proper divisors (9560585557).

105140233451 is a wasteful number, since it uses less digits than its factorization.

105140233451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198553.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 105140233451 its reverse (154332041501), we get a palindrome (259472274952).

The spelling of 105140233451 in words is "one hundred five billion, one hundred forty million, two hundred thirty-three thousand, four hundred fifty-one".

Divisors: 1 11 82051 116491 902561 1281401 9558203041 105140233451