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308201451272 = 23113139712293
BaseRepresentation
bin1000111110000100011…
…11001110111100001000
31002110112002101220211122
410133002033032330020
520022144032420042
6353330310414412
731160343053111
oct4370217167410
91073462356748
10308201451272
11109786759000
124b894061408
13230a9016760
1410cba489208
15803c6ed7d2
hex47c23cef08

308201451272 has 128 divisors (see below), whose sum is σ = 685519873920. Its totient is φ = 129125779200.

The previous prime is 308201451263. The next prime is 308201451293. The reversal of 308201451272 is 272154102803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134408558 + ... + 134410850.

It is an arithmetic number, because the mean of its divisors is an integer number (5355624015).

Almost surely, 2308201451272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308201451272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342759936960).

308201451272 is an abundant number, since it is smaller than the sum of its proper divisors (377318422648).

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

308201451272 is a wasteful number, since it uses less digits than its factorization.

308201451272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 308201451272 in words is "three hundred eight billion, two hundred one million, four hundred fifty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 121 143 242 286 484 572 968 971 1144 1331 1573 1942 2293 2662 3146 3884 4586 5324 6292 7768 9172 10648 10681 12584 12623 17303 18344 21362 25223 25246 29809 34606 42724 50446 50492 59618 69212 85448 100892 100984 117491 119236 138424 138853 201784 234982 238472 277453 277706 327899 469964 554906 555412 655798 939928 1109812 1110824 1292401 1311596 1527383 2219624 2226503 2584802 2623192 3051983 3054766 3606889 4453006 5169604 6103966 6109532 7213778 8906012 10339208 12207932 12219064 14427556 16801213 17812024 24415864 24491533 28855112 28944539 33602426 39675779 48983066 57889078 67204852 79351558 97966132 115778156 134409704 158703116 195932264 231556312 269406863 317406232 318389929 538813726 636779858 1077627452 1273559716 2155254904 2547119432 2963475493 3502289219 5926950986 7004578438 11853901972 14009156876 23707803944 28018313752 38525181409 77050362818 154100725636 308201451272