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1025411542540 = 225711665851651
BaseRepresentation
bin11101110101111110100…
…10100110111000001100
310122000202200201112112021
432322333102212320030
5113300020323330130
62103022332015524
7134040440204620
oct16727722467014
93560680645467
101025411542540
113659690a0a20
121468943015a4
1375907b55348
14378b731b180
151ba1762c37a
hexeebf4a6e0c

1025411542540 has 48 divisors (see below), whose sum is σ = 2684713860864. Its totient is φ = 319608792000.

The previous prime is 1025411542531. The next prime is 1025411542541. The reversal of 1025411542540 is 452451145201.

It is a junction number, because it is equal to n+sod(n) for n = 1025411542496 and 1025411542505.

It is not an unprimeable number, because it can be changed into a prime (1025411542541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332924286 + ... + 332927365.

It is an arithmetic number, because the mean of its divisors is an integer number (55931538768).

Almost surely, 21025411542540 is an apocalyptic number.

1025411542540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025411542540 is an abundant number, since it is smaller than the sum of its proper divisors (1659302318324).

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

1025411542540 is a wasteful number, since it uses less digits than its factorization.

1025411542540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665851678 (or 665851676 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 1025411542540 its reverse (452451145201), we get a palindrome (1477862687741).

The spelling of 1025411542540 in words is "one trillion, twenty-five billion, four hundred eleven million, five hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 665851651 1331703302 2663406604 3329258255 4660961557 6658516510 7324368161 9321923114 13317033020 14648736322 18643846228 23304807785 29297472644 36621840805 46609615570 51270577127 73243681610 93219231140 102541154254 146487363220 205082308508 256352885635 512705771270 1025411542540