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1371271841940 = 22357112137328433
BaseRepresentation
bin10011111101000110001…
…010111100100010010100
311212002111021220011020210
4103331012022330202110
5134431331042420230
62525541550325420
7201033252224130
oct23750612744224
94762437804223
101371271841940
1148960a229a00
121a19181b9870
139c405b9b290
144a5270723c0
1525a0b012eb0
hex13f462bc894

1371271841940 has 576 divisors, whose sum is σ = 5265609205248. Its totient is φ = 259409018880.

The previous prime is 1371271841923. The next prime is 1371271841969. The reversal of 1371271841940 is 491481721731.

It is a self number, because there is not a number n which added to its sum of digits gives 1371271841940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 48213964 + ... + 48242396.

It is an arithmetic number, because the mean of its divisors is an integer number (9141682648).

Almost surely, 21371271841940 is an apocalyptic number.

1371271841940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371271841940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632804602624).

1371271841940 is an abundant number, since it is smaller than the sum of its proper divisors (3894337363308).

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

1371271841940 is a wasteful number, since it uses less digits than its factorization.

1371271841940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28560 (or 28547 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 1371271841940 in words is "one trillion, three hundred seventy-one billion, two hundred seventy-one million, eight hundred forty-one thousand, nine hundred forty".