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74143240100 = 2252977643633
BaseRepresentation
bin100010100001101001…
…0000000111110100100
321002101011120211210122
41011003102000332210
52203321132140400
654021054541112
75233224066566
oct1050322007644
9232334524718
1074143240100
1129497a20746
1212452507798
136cb793c107
143834db5336
151dde22c685
hex1143480fa4

74143240100 has 36 divisors (see below), whose sum is σ = 162549520644. Its totient is φ = 29351546880.

The previous prime is 74143240097. The next prime is 74143240147. The reversal of 74143240100 is 104234147.

It can be written as a sum of positive squares in 6 ways, for example, as 2204490304 + 71938749796 = 46952^2 + 268214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74143240100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3812117 + ... + 3831516.

Almost surely, 274143240100 is an apocalyptic number.

It is an amenable number.

74143240100 is an abundant number, since it is smaller than the sum of its proper divisors (88406280544).

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

74143240100 is a wasteful number, since it uses less digits than its factorization.

74143240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643744 (or 7643737 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 74143240100 its reverse (104234147), we get a palindrome (74247474247).

The spelling of 74143240100 in words is "seventy-four billion, one hundred forty-three million, two hundred forty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 97 100 194 388 485 970 1940 2425 4850 9700 7643633 15287266 30574532 38218165 76436330 152872660 191090825 382181650 741432401 764363300 1482864802 2965729604 3707162005 7414324010 14828648020 18535810025 37071620050 74143240100