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70951911424 = 21420812
BaseRepresentation
bin100001000010100010…
…0000100000000000000
320210010202112112212021
41002011010010000000
52130302142131144
652332253411224
75061153203422
oct1020504040000
9223122475767
1070951911424
11280aa560229
1211901799b14
1368c9718454
143611206812
151ca3e93884
hex1085104000

70951911424 has 45 divisors (see below), whose sum is σ = 141967713181. Its totient is φ = 35458908160.

The previous prime is 70951911409. The next prime is 70951911431. The reversal of 70951911424 is 42411915907.

The square root of 70951911424 is 266368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 26885505024 + 44066406400 = 163968^2 + 209920^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34094064 + ... + 34096144.

Almost surely, 270951911424 is an apocalyptic number.

70951911424 is the 266368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70951911424

70951911424 is an abundant number, since it is smaller than the sum of its proper divisors (71015801757).

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

70951911424 is an frugal number, since it uses more digits than its factorization.

70951911424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 70951911424 in words is "seventy billion, nine hundred fifty-one million, nine hundred eleven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 2081 4096 4162 8192 8324 16384 16648 33296 66592 133184 266368 532736 1065472 2130944 4261888 4330561 8523776 8661122 17047552 17322244 34095104 34644488 69288976 138577952 277155904 554311808 1108623616 2217247232 4434494464 8868988928 17737977856 35475955712 70951911424