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30407025456 = 243510773091
BaseRepresentation
bin11100010100011001…
…100110001100110000
32220111010011221100000
4130110121212030300
5444233144303311
621545132030000
72124341310663
oct342431461460
986433157300
1030407025456
1111993a78305
125a87302300
132b377c6372
14168651b6da
15bce729056
hex714666330

30407025456 has 120 divisors (see below), whose sum is σ = 89075173824. Its totient is φ = 10040811840.

The previous prime is 30407025431. The next prime is 30407025479. The reversal of 30407025456 is 65452070403.

30407025456 is a `hidden beast` number, since 3 + 0 + 40 + 70 + 2 + 545 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30407025456.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379471 + ... + 452561.

Almost surely, 230407025456 is an apocalyptic number.

30407025456 is a gapful number since it is divisible by the number (36) 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 30407025456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44537586912).

30407025456 is an abundant number, since it is smaller than the sum of its proper divisors (58668148368).

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

30407025456 is a wasteful number, since it uses less digits than its factorization.

30407025456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73221 (or 73203 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 30407025456 its reverse (65452070403), we get a palindrome (95859095859).

The spelling of 30407025456 in words is "thirty billion, four hundred seven million, twenty-five thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 107 108 144 162 214 216 243 321 324 428 432 486 642 648 856 963 972 1284 1296 1712 1926 1944 2568 2889 3852 3888 5136 5778 7704 8667 11556 15408 17334 23112 26001 34668 46224 52002 69336 73091 104004 138672 146182 208008 219273 292364 416016 438546 584728 657819 877092 1169456 1315638 1754184 1973457 2631276 3508368 3946914 5262552 5920371 7820737 7893828 10525104 11840742 15641474 15787656 17761113 23462211 23681484 31282948 31575312 35522226 46924422 47362968 62565896 70386633 71044452 93848844 94725936 125131792 140773266 142088904 187697688 211159899 281546532 284177808 375395376 422319798 563093064 633479697 844639596 1126186128 1266959394 1689279192 1900439091 2533918788 3378558384 3800878182 5067837576 7601756364 10135675152 15203512728 30407025456