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71401214740 = 2253570060737
BaseRepresentation
bin100001001111111011…
…0000001001100010100
320211022001222112010211
41002133312001030110
52132212202332430
652445023455204
75105250211552
oct1023766011424
9224261875124
1071401214740
1128310140489
1211a08157504
13696b82ccbb
143654b62bd2
151ccd64572a
hex109fd81314

71401214740 has 12 divisors (see below), whose sum is σ = 149942550996. Its totient is φ = 28560485888.

The previous prime is 71401214723. The next prime is 71401214747. The reversal of 71401214740 is 4741210417.

It can be written as a sum of positive squares in 2 ways, for example, as 55238160784 + 16163053956 = 235028^2 + 127134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71401214747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785030349 + ... + 1785030388.

It is an arithmetic number, because the mean of its divisors is an integer number (12495212583).

Almost surely, 271401214740 is an apocalyptic number.

It is an amenable number.

71401214740 is an abundant number, since it is smaller than the sum of its proper divisors (78541336256).

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

71401214740 is a wasteful number, since it uses less digits than its factorization.

71401214740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570060746 (or 3570060744 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The spelling of 71401214740 in words is "seventy-one billion, four hundred one million, two hundred fourteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3570060737 7140121474 14280242948 17850303685 35700607370 71401214740