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71064250540 = 22537103932357
BaseRepresentation
bin100001000101111000…
…0100110100010101100
320210102120220222011021
41002023300212202230
52131014422004130
652351345303524
75064016106623
oct1021360464254
9223376828137
1071064250540
1128157a0a278
1211933334ba4
136916a8c3ba
1436220ca6ba
151cadc8437a
hex108bc268ac

71064250540 has 48 divisors (see below), whose sum is σ = 154756510272. Its totient is φ = 27388889856.

The previous prime is 71064250531. The next prime is 71064250573. The reversal of 71064250540 is 4505246017.

It is a junction number, because it is equal to n+sod(n) for n = 71064250496 and 71064250505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389959 + ... + 542398.

It is an arithmetic number, because the mean of its divisors is an integer number (3224093964).

Almost surely, 271064250540 is an apocalyptic number.

It is an amenable number.

71064250540 is an abundant number, since it is smaller than the sum of its proper divisors (83692259732).

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

71064250540 is a wasteful number, since it uses less digits than its factorization.

71064250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932506 (or 932504 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 71064250540 its reverse (4505246017), we get a palindrome (75569496557).

The spelling of 71064250540 in words is "seventy-one billion, sixty-four million, two hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 37 74 103 148 185 206 370 412 515 740 1030 2060 3811 7622 15244 19055 38110 76220 932357 1864714 3729428 4661785 9323570 18647140 34497209 68994418 96032771 137988836 172486045 192065542 344972090 384131084 480163855 689944180 960327710 1920655420 3553212527 7106425054 14212850108 17766062635 35532125270 71064250540