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379036513940 = 22572386771953
BaseRepresentation
bin1011000010000000101…
…01100011011010010100
31100020100201001221100012
411201000111203122110
522202231321421230
6450043231535352
736245610131600
oct5410025433224
91306321057305
10379036513940
1113682625a007
126156268a558
132998746c416
14144b9d56500
159cd62b0395
hex5840563694

379036513940 has 36 divisors (see below), whose sum is σ = 925932057876. Its totient is φ = 129955375872.

The previous prime is 379036513937. The next prime is 379036513981. The reversal of 379036513940 is 49315630973.

It can be written as a sum of positive squares in 2 ways, for example, as 297413166736 + 81623347204 = 545356^2 + 285698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193384997 + ... + 193386956.

It is an arithmetic number, because the mean of its divisors is an integer number (25720334941).

Almost surely, 2379036513940 is an apocalyptic number.

It is an amenable number.

379036513940 is an abundant number, since it is smaller than the sum of its proper divisors (546895543936).

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

379036513940 is a wasteful number, since it uses less digits than its factorization.

379036513940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386771976 (or 386771967 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 50.

The spelling of 379036513940 in words is "three hundred seventy-nine billion, thirty-six million, five hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 386771953 773543906 1547087812 1933859765 2707403671 3867719530 5414807342 7735439060 10829614684 13537018355 18951825697 27074036710 37903651394 54148073420 75807302788 94759128485 189518256970 379036513940