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6425354540 = 2251129206157
BaseRepresentation
bin1011111101111101…
…10010000100101100
3121120210102211102002
411332332302010230
5101124342321130
62541325351432
7315140420033
oct57676620454
917523384362
106425354540
1127a7a43a70
1212b3a08578
137b5246a47
1444d4d371a
15279158b45
hex17efb212c

6425354540 has 24 divisors (see below), whose sum is σ = 14719903632. Its totient is φ = 2336492480.

The previous prime is 6425354519. The next prime is 6425354597. The reversal of 6425354540 is 454535246.

It is a super-2 number, since 2×64253545402 = 82570361929397223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6425354494 and 6425354503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14602859 + ... + 14603298.

It is an arithmetic number, because the mean of its divisors is an integer number (613329318).

Almost surely, 26425354540 is an apocalyptic number.

It is an amenable number.

6425354540 is an abundant number, since it is smaller than the sum of its proper divisors (8294549092).

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

6425354540 is a wasteful number, since it uses less digits than its factorization.

6425354540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206177 (or 29206175 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 6425354540 is about 80158.3092386560. The cubic root of 6425354540 is about 1859.0840809789.

Adding to 6425354540 its reverse (454535246), we get a palindrome (6879889786).

The spelling of 6425354540 in words is "six billion, four hundred twenty-five million, three hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 29206157 58412314 116824628 146030785 292061570 321267727 584123140 642535454 1285070908 1606338635 3212677270 6425354540