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38850204012 = 22371383119057
BaseRepresentation
bin100100001011101001…
…110001000101101100
310201021112111211220220
4210023221301011230
51114031123012022
625503022411340
72543513166624
oct441351610554
9121245454826
1038850204012
1115526a22324
127642a30b50
133881ab82c9
141c479c9884
151025ab685c
hex90ba7116c

38850204012 has 48 divisors (see below), whose sum is σ = 92168036352. Its totient is φ = 12734229760.

The previous prime is 38850204011. The next prime is 38850204161. The reversal of 38850204012 is 21040205883.

It is a super-2 number, since 2×388502040122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38850204011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266788 + ... + 385844.

It is an arithmetic number, because the mean of its divisors is an integer number (1920167424).

Almost surely, 238850204012 is an apocalyptic number.

It is an amenable number.

38850204012 is an abundant number, since it is smaller than the sum of its proper divisors (53317832340).

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

38850204012 is a wasteful number, since it uses less digits than its factorization.

38850204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119518 (or 119516 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 38850204012 its reverse (21040205883), we get a palindrome (59890409895).

The spelling of 38850204012 in words is "thirty-eight billion, eight hundred fifty million, two hundred four thousand, twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 383 426 766 852 1149 1532 2298 4596 27193 54386 81579 108772 119057 163158 238114 326316 357171 476228 714342 1428684 8453047 16906094 25359141 33812188 45598831 50718282 91197662 101436564 136796493 182395324 273592986 547185972 3237517001 6475034002 9712551003 12950068004 19425102006 38850204012