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1385002001525 = 5289459619279
BaseRepresentation
bin10100001001111000100…
…011010110010001110101
311220101221011121112100212
4110021320203112101311
5140142441003022100
62540132223315205
7202030432524662
oct24117043262165
94811834545325
101385002001525
1149441558302a
121a450a44bb05
13a07b360bb6c
144b06a786a69
15260615e3635
hex142788d6475

1385002001525 has 12 divisors (see below), whose sum is σ = 1717424452800. Its totient is φ = 1107987426480.

The previous prime is 1385002001491. The next prime is 1385002001527. The reversal of 1385002001525 is 5251002005831.

It is not a de Polignac number, because 1385002001525 - 236 = 1316282524789 is a prime.

It is a super-2 number, since 2×13850020015252 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1385002001491 and 1385002001500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385002001527) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1926836 + ... + 2546114.

It is an arithmetic number, because the mean of its divisors is an integer number (143118704400).

Almost surely, 21385002001525 is an apocalyptic number.

It is an amenable number.

1385002001525 is a deficient number, since it is larger than the sum of its proper divisors (332422451275).

1385002001525 is an equidigital number, since it uses as much as digits as its factorization.

1385002001525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708748 (or 708743 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 1385002001525 in words is "one trillion, three hundred eighty-five billion, two million, one thousand, five hundred twenty-five".

Divisors: 1 5 25 89459 447295 619279 2236475 3096395 15481975 55400080061 277000400305 1385002001525