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381360737620 = 22519068036881
BaseRepresentation
bin1011000110010101101…
…11110000110101010100
31100110100200111201211201
411203022313300311110
522222011322100440
6451110020042244
736360321533122
oct5431267606524
91313320451751
10381360737620
11137809215725
1261ab0b33384
1329c67b462c5
141465a8cc912
159dc036919a
hex58cadf0d54

381360737620 has 12 divisors (see below), whose sum is σ = 800857549044. Its totient is φ = 152544295040.

The previous prime is 381360737591. The next prime is 381360737647. The reversal of 381360737620 is 26737063183.

It can be written as a sum of positive squares in 2 ways, for example, as 245195309584 + 136165428036 = 495172^2 + 369006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9534018421 + ... + 9534018460.

It is an arithmetic number, because the mean of its divisors is an integer number (66738129087).

Almost surely, 2381360737620 is an apocalyptic number.

It is an amenable number.

381360737620 is an abundant number, since it is smaller than the sum of its proper divisors (419496811424).

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

381360737620 is a wasteful number, since it uses less digits than its factorization.

381360737620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19068036890 (or 19068036888 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 381360737620 in words is "three hundred eighty-one billion, three hundred sixty million, seven hundred thirty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 19068036881 38136073762 76272147524 95340184405 190680368810 381360737620