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1540541030330 = 25154054103033
BaseRepresentation
bin10110011010101111011…
…001101001111110111010
312110021101221201212022102
4112122233121221332322
5200220012000432310
63135414220423402
7216205020462161
oct26325731517672
95407357655272
101540541030330
11544381282535
1220a6980a7b62
13b23705b8753
14547c3a303d8
152a1166018a5
hex166af669fba

1540541030330 has 8 divisors (see below), whose sum is σ = 2772973854612. Its totient is φ = 616216412128.

The previous prime is 1540541030299. The next prime is 1540541030333. The reversal of 1540541030330 is 330301450451.

It can be written as a sum of positive squares in 2 ways, for example, as 1465947042169 + 74593988161 = 1210763^2 + 273119^2 .

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

It is a super-2 number, since 2×15405410303302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1540541030293 and 1540541030302.

It is not an unprimeable number, because it can be changed into a prime (1540541030333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77027051507 + ... + 77027051526.

Almost surely, 21540541030330 is an apocalyptic number.

1540541030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540541030330 is a deficient number, since it is larger than the sum of its proper divisors (1232432824282).

1540541030330 is a wasteful number, since it uses less digits than its factorization.

1540541030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154054103040.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1540541030330 its reverse (330301450451), we get a palindrome (1870842480781).

The spelling of 1540541030330 in words is "one trillion, five hundred forty billion, five hundred forty-one million, thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 154054103033 308108206066 770270515165 1540541030330