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71048252523568 = 2429712156637097
BaseRepresentation
bin10000001001111000110101…
…110110101000010000110000
3100022120010221212200100220011
4100021320311312220100300
533303023310121223233
6411035041105024304
720652031634045245
oct2011706566502060
9308503855610804
1071048252523568
1120702438364171
127b75764025094
133084a8a9b2128
141378a7a4b95cc
158331dc4c10cd
hex409e35da8430

71048252523568 has 40 divisors (see below), whose sum is σ = 144408420082080. Its totient is φ = 33816069665280.

The previous prime is 71048252523517. The next prime is 71048252523601. The reversal of 71048252523568 is 86532525284017.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 1078285605 + ... + 1078351492.

It is an arithmetic number, because the mean of its divisors is an integer number (3610210502052).

Almost surely, 271048252523568 is an apocalyptic number.

It is an amenable number.

71048252523568 is an abundant number, since it is smaller than the sum of its proper divisors (73360167558512).

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

71048252523568 is a wasteful number, since it uses less digits than its factorization.

71048252523568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156637205 (or 2156637199 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 58.

The spelling of 71048252523568 in words is "seventy-one trillion, forty-eight billion, two hundred fifty-two million, five hundred twenty-three thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 29 58 71 116 142 232 284 464 568 1136 2059 4118 8236 16472 32944 2156637097 4313274194 8626548388 17253096776 34506193552 62542475813 125084951626 153121233887 250169903252 306242467774 500339806504 612484935548 1000679613008 1224969871096 2449939742192 4440515782723 8881031565446 17762063130892 35524126261784 71048252523568