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30496915428 = 22371983230221
BaseRepresentation
bin11100011001110000…
…011111111111100100
32220201101022211012020
4130121300133333210
5444424202243203
622002102423140
72126512334610
oct343160377744
986641284166
1030496915428
1111a2a793a41
125ab1431ab0
132b5030a1b5
14169443a340
15bd7583153
hex719c1ffe4

30496915428 has 96 divisors (see below), whose sum is σ = 86637143040. Its totient is φ = 8155313280.

The previous prime is 30496915403. The next prime is 30496915453. The reversal of 30496915428 is 82451969403.

It is an interprime number because it is at equal distance from previous prime (30496915403) and next prime (30496915453).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17358 + ... + 247578.

It is an arithmetic number, because the mean of its divisors is an integer number (902470240).

Almost surely, 230496915428 is an apocalyptic number.

30496915428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30496915428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43318571520).

30496915428 is an abundant number, since it is smaller than the sum of its proper divisors (56140227612).

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

30496915428 is a wasteful number, since it uses less digits than its factorization.

30496915428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230337 (or 230335 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 30496915428 in words is "thirty billion, four hundred ninety-six million, nine hundred fifteen thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 83 84 114 133 166 228 249 266 332 399 498 532 581 798 996 1162 1577 1596 1743 2324 3154 3486 4731 6308 6972 9462 11039 18924 22078 33117 44156 66234 132468 230221 460442 690663 920884 1381326 1611547 2762652 3223094 4374199 4834641 6446188 8748398 9669282 13122597 17496796 19108343 19338564 26245194 30619393 38216686 52490388 57325029 61238786 76433372 91858179 114650058 122477572 133758401 183716358 229300116 267516802 363058517 367432716 401275203 535033604 726117034 802550406 1089175551 1452234068 1605100812 2178351102 2541409619 4356702204 5082819238 7624228857 10165638476 15248457714 30496915428