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105145332540 = 22353135598793
BaseRepresentation
bin110000111101100100…
…1100111001100111100
3101001101202111022120120
41201323021213030330
53210314201120130
6120145245214540
710411412403003
oct1417311471474
9331352438516
10105145332540
1140656887646
1218464b61450
139bb87c4901
145136553c3a
152b05cec910
hex187b26733c

105145332540 has 48 divisors (see below), whose sum is σ = 295347581088. Its totient is φ = 27949169664.

The previous prime is 105145332529. The next prime is 105145332563. The reversal of 105145332540 is 45233541501.

It is a super-2 number, since 2×1051453325402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780617 + ... + 2818176.

It is an arithmetic number, because the mean of its divisors is an integer number (6153074606).

Almost surely, 2105145332540 is an apocalyptic number.

105145332540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105145332540 is an abundant number, since it is smaller than the sum of its proper divisors (190202248548).

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

105145332540 is a wasteful number, since it uses less digits than its factorization.

105145332540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599118 (or 5599116 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 105145332540 in words is "one hundred five billion, one hundred forty-five million, three hundred thirty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 313 626 939 1252 1565 1878 3130 3756 4695 6260 9390 18780 5598793 11197586 16796379 22395172 27993965 33592758 55987930 67185516 83981895 111975860 167963790 335927580 1752422209 3504844418 5257266627 7009688836 8762111045 10514533254 17524222090 21029066508 26286333135 35048444180 52572666270 105145332540