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71340148148 = 22109313522761
BaseRepresentation
bin100001001110000110…
…1000100010110110100
320211010211002000112012
41002130031010112310
52132101034220043
652435002543352
75103606153053
oct1023415042664
9224124060465
1071340148148
1128289721225
12119ab807b58
13695bc9b719
14364a9c839a
151cc80d1a18
hex109c3445b4

71340148148 has 24 divisors (see below), whose sum is σ = 126393396360. Its totient is φ = 35229841920.

The previous prime is 71340148147. The next prime is 71340148153. The reversal of 71340148148 is 84184104317.

It can be written as a sum of positive squares in 4 ways, for example, as 5482217764 + 65857930384 = 74042^2 + 256628^2 .

71340148148 is a modest number, since divided by 148148 gives 71340 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340148147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124913 + ... + 397848.

It is an arithmetic number, because the mean of its divisors is an integer number (5266391515).

Almost surely, 271340148148 is an apocalyptic number.

It is an amenable number.

71340148148 is a deficient number, since it is larger than the sum of its proper divisors (55053248212).

71340148148 is a wasteful number, since it uses less digits than its factorization.

71340148148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523187 (or 523185 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 71340148148 in words is "seventy-one billion, three hundred forty million, one hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 109 218 313 436 626 1252 34117 68234 136468 522761 1045522 2091044 56980949 113961898 163624193 227923796 327248386 654496772 17835037037 35670074074 71340148148