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38099398488 = 23397139281419
BaseRepresentation
bin100011011110111001…
…101010111101011000
310122100012201222100220
4203132321222331120
51111011421222423
625300322200040
72516065354344
oct433671527530
9118305658326
1038099398488
1115181131a98
1274734b3020
13379239ac98
141bb5dc8624
15ecec0a9e3
hex8dee6af58

38099398488 has 128 divisors (see below), whose sum is σ = 97499808000. Its totient is φ = 12404367360.

The previous prime is 38099398487. The next prime is 38099398499. The reversal of 38099398488 is 88489399083.

It is a super-2 number, since 2×380993984882 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38099398487) 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, 90929143 + ... + 90929561.

It is an arithmetic number, because the mean of its divisors is an integer number (761717250).

Almost surely, 238099398488 is an apocalyptic number.

It is an amenable number.

38099398488 is an abundant number, since it is smaller than the sum of its proper divisors (59400409512).

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

38099398488 is a wasteful number, since it uses less digits than its factorization.

38099398488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 69.

The spelling of 38099398488 in words is "thirty-eight billion, ninety-nine million, three hundred ninety-eight thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 97 139 194 278 281 291 388 417 419 556 562 582 776 834 838 843 1112 1124 1164 1257 1668 1676 1686 2248 2328 2514 3336 3352 3372 5028 6744 10056 13483 26966 27257 39059 40449 40643 53932 54514 58241 78118 80898 81286 81771 107864 109028 116482 117177 117739 121929 156236 161796 162572 163542 174723 218056 232964 234354 235478 243858 312472 323592 325144 327084 349446 353217 465928 468708 470956 487716 654168 698892 706434 937416 941912 975432 1397784 1412868 2825736 3788723 5649377 7577446 11298754 11366169 11420683 15154892 16365721 16948131 22597508 22732338 22841366 30309784 32731442 33896262 34262049 45195016 45464676 45682732 49097163 65462884 67792524 68524098 90929352 91365464 98194326 130925768 135585048 137048196 196388652 274096392 392777304 1587474937 3174949874 4762424811 6349899748 9524849622 12699799496 19049699244 38099398488