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30146576928 = 2531322380789
BaseRepresentation
bin11100000100111000…
…000100001000100000
32212210222002210010020
4130010320010020200
5443220010430203
621503225433440
72115026450556
oct340470041040
985728083106
1030146576928
111186aa58496
125a1403b880
132ac5865c00
14165dac1bd6
15bb692e153
hex704e04220

30146576928 has 144 divisors (see below), whose sum is σ = 89417079360. Its totient is φ = 8872461312.

The previous prime is 30146576927. The next prime is 30146576983. The reversal of 30146576928 is 82967564103.

It is a super-2 number, since 2×301465769282 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30146576923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332758 + ... + 413546.

It is an arithmetic number, because the mean of its divisors is an integer number (620951940).

It is a 1-persistent number, because it is pandigital, but 2⋅30146576928 = 60293153856 is not.

Almost surely, 230146576928 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 30146576928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44708539680).

30146576928 is an abundant number, since it is smaller than the sum of its proper divisors (59270502432).

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

30146576928 is a wasteful number, since it uses less digits than its factorization.

30146576928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80851 (or 80830 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 30146576928 in words is "thirty billion, one hundred forty-six million, five hundred seventy-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 32 39 46 48 52 69 78 92 96 104 138 156 169 184 208 276 299 312 338 368 416 507 552 598 624 676 736 897 1014 1104 1196 1248 1352 1794 2028 2208 2392 2704 3588 3887 4056 4784 5408 7176 7774 8112 9568 11661 14352 15548 16224 23322 28704 31096 46644 62192 80789 93288 124384 161578 186576 242367 323156 373152 484734 646312 969468 1050257 1292624 1858147 1938936 2100514 2585248 3150771 3716294 3877872 4201028 5574441 6301542 7432588 7755744 8402056 11148882 12603084 13653341 14865176 16804112 22297764 24155911 25206168 27306682 29730352 33608224 40960023 44595528 48311822 50412336 54613364 59460704 72467733 81920046 89191056 96623644 100824672 109226728 144935466 163840092 178382112 193247288 218453456 289870932 314026843 327680184 386494576 436906912 579741864 628053686 655360368 772989152 942080529 1159483728 1256107372 1310720736 1884161058 2318967456 2512214744 3768322116 5024429488 7536644232 10048858976 15073288464 30146576928