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30221943552 = 283219690377
BaseRepresentation
bin11100001001010111…
…100100001100000000
32220000012220210200200
4130021113210030000
5443343304143202
621514521045200
72116633165413
oct341127441400
986005823620
1030221943552
11118a9554559
125a35326800
132b08363348
141669addb7a
15bbd369e1c
hex7095e4300

30221943552 has 108 divisors (see below), whose sum is σ = 91723621080. Its totient is φ = 9543757824.

The previous prime is 30221943551. The next prime is 30221943553. The reversal of 30221943552 is 25534912203.

30221943552 is a `hidden beast` number, since 3 + 0 + 2 + 219 + 435 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (30221943551) and next prime (30221943553).

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

It is not an unprimeable number, because it can be changed into a prime (30221943551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301413 + ... + 388964.

Almost surely, 230221943552 is an apocalyptic number.

30221943552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30221943552 is an abundant number, since it is smaller than the sum of its proper divisors (61501677528).

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

30221943552 is a wasteful number, since it uses less digits than its factorization.

30221943552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690418 (or 690401 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 30221943552 in words is "thirty billion, two hundred twenty-one million, nine hundred forty-three thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 384 456 576 608 684 768 912 1152 1216 1368 1824 2304 2432 2736 3648 4864 5472 7296 10944 14592 21888 43776 690377 1380754 2071131 2761508 4142262 5523016 6213393 8284524 11046032 12426786 13117163 16569048 22092064 24853572 26234326 33138096 39351489 44184128 49707144 52468652 66276192 78702978 88368256 99414288 104937304 118054467 132552384 157405956 176736512 198828576 209874608 236108934 265104768 314811912 397657152 419749216 472217868 530209536 629623824 795314304 839498432 944435736 1259247648 1590628608 1678996864 1888871472 2518495296 3357993728 3777742944 5036990592 7555485888 10073981184 15110971776 30221943552