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38413047380 = 22512715123247
BaseRepresentation
bin100011110001100110…
…001001011001010100
310200011001220222202112
4203301212021121110
51112132220004010
625351404530152
72526624341531
oct436146113124
9120131828675
1038413047380
1115322189054
127540550958
133812367446
141c05911d88
15eec513a05
hex8f1989654

38413047380 has 24 divisors (see below), whose sum is σ = 81302581248. Its totient is φ = 15244231968.

The previous prime is 38413047377. The next prime is 38413047397. The reversal of 38413047380 is 8374031483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559084 + ... + 7564163.

It is an arithmetic number, because the mean of its divisors is an integer number (3387607552).

Almost surely, 238413047380 is an apocalyptic number.

It is an amenable number.

38413047380 is an abundant number, since it is smaller than the sum of its proper divisors (42889533868).

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

38413047380 is a wasteful number, since it uses less digits than its factorization.

38413047380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123383 (or 15123381 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 38413047380 in words is "thirty-eight billion, four hundred thirteen million, forty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 15123247 30246494 60492988 75616235 151232470 302464940 1920652369 3841304738 7682609476 9603261845 19206523690 38413047380