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30455050220 = 2257192602593
BaseRepresentation
bin11100010111010000…
…110010111111101100
32220121110112211220222
4130113100302333230
5444332443101340
621554005230512
72125463440610
oct342720627754
986543484828
1030455050220
1111a09099aa1
125a9b402438
132b4473c69a
14168ca5d340
15bd3a638b5
hex717432fec

30455050220 has 72 divisors (see below), whose sum is σ = 77141673504. Its totient is φ = 9892150272.

The previous prime is 30455050211. The next prime is 30455050229. The reversal of 30455050220 is 2205055403.

It is an interprime number because it is at equal distance from previous prime (30455050211) and next prime (30455050229).

It is a self number, because there is not a number n which added to its sum of digits gives 30455050220.

It is not an unprimeable number, because it can be changed into a prime (30455050229) 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, 250757 + ... + 351836.

It is an arithmetic number, because the mean of its divisors is an integer number (1071412132).

Almost surely, 230455050220 is an apocalyptic number.

It is an amenable number.

30455050220 is an abundant number, since it is smaller than the sum of its proper divisors (46686623284).

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

30455050220 is a wasteful number, since it uses less digits than its factorization.

30455050220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602647 (or 602626 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 30455050220 in words is "thirty billion, four hundred fifty-five million, fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 361 380 532 665 722 1330 1444 1805 2527 2660 3610 5054 7220 10108 12635 25270 50540 602593 1205186 2410372 3012965 4218151 6025930 8436302 11449267 12051860 16872604 21090755 22898534 42181510 45797068 57246335 80144869 84363020 114492670 160289738 217536073 228985340 320579476 400724345 435072146 801448690 870144292 1087680365 1522752511 1602897380 2175360730 3045505022 4350721460 6091010044 7613762555 15227525110 30455050220