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105143010444 = 2233973546393
BaseRepresentation
bin110000111101100000…
…0110000010010001100
3101001101121010100021000
41201323000300102030
53210313102313234
6120145123340300
710411353562023
oct1417300602214
9331347110230
10105143010444
1140655540a5a
1218464221690
139bb81909a4
14513610b8ba
152b059de899
hex187b03048c

105143010444 has 24 divisors (see below), whose sum is σ = 272592990320. Its totient is φ = 35047670112.

The previous prime is 105143010437. The next prime is 105143010461. The reversal of 105143010444 is 444010341501.

105143010444 is a `hidden beast` number, since 1 + 0 + 514 + 3 + 0 + 104 + 44 = 666.

It is a super-2 number, since 2×1051430104442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486773089 + ... + 486773304.

Almost surely, 2105143010444 is an apocalyptic number.

It is an amenable number.

105143010444 is an abundant number, since it is smaller than the sum of its proper divisors (167449979876).

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

105143010444 is a wasteful number, since it uses less digits than its factorization.

105143010444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973546406 (or 973546398 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 105143010444 its reverse (444010341501), we get a palindrome (549153351945).

The spelling of 105143010444 in words is "one hundred five billion, one hundred forty-three million, ten thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 973546393 1947092786 2920639179 3894185572 5841278358 8761917537 11682556716 17523835074 26285752611 35047670148 52571505222 105143010444