Search a number
-
+
38071212468 = 223311076611447
BaseRepresentation
bin100011011101001110…
…001001100110110100
310122021020200222102020
4203131032021212310
51110432212244333
625253434113140
72515303652352
oct433516114664
9118236628366
1038071212468
1115167230463
127465b7b7b0
1337895ac873
141bb236c7d2
15ecc4de3b3
hex8dd3899b4

38071212468 has 96 divisors (see below), whose sum is σ = 92759482368. Its totient is φ = 12139459200.

The previous prime is 38071212467. The next prime is 38071212527. The reversal of 38071212468 is 86421217083.

38071212468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38071212467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26309721 + ... + 26311167.

It is an arithmetic number, because the mean of its divisors is an integer number (966244608).

Almost surely, 238071212468 is an apocalyptic number.

It is an amenable number.

38071212468 is an abundant number, since it is smaller than the sum of its proper divisors (54688269900).

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

38071212468 is a wasteful number, since it uses less digits than its factorization.

38071212468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 38071212468 in words is "thirty-eight billion, seventy-one million, two hundred twelve thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 107 124 186 214 321 372 428 642 661 1284 1322 1447 1983 2644 2894 3317 3966 4341 5788 6634 7932 8682 9951 13268 17364 19902 20491 39804 40982 44857 61473 70727 81964 89714 122946 134571 141454 154829 179428 212181 245892 269142 282908 309658 424362 464487 538284 619316 848724 928974 956467 1857948 1912934 2192537 2869401 3825868 4385074 4799699 5738802 6577611 8770148 9599398 11477604 13155222 14399097 19198796 26310444 28798194 29650477 57596388 59300954 88951431 102341969 118601908 177902862 204683938 307025907 355805724 409367876 614051814 1228103628 3172601039 6345202078 9517803117 12690404156 19035606234 38071212468