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30221602146 = 2332337657649
BaseRepresentation
bin11100001001010110…
…010000110101100010
32220000012021110101000
4130021112100311202
5443343212232041
621514505452430
72116630244151
oct341126206542
986005243330
1030221602146
11118a9340aaa
125a351a1116
132b08273b28
141669a51598
15bbd2edbb6
hex709590d62

30221602146 has 64 divisors (see below), whose sum is σ = 71973216000. Its totient is φ = 9375429888.

The previous prime is 30221602133. The next prime is 30221602153. The reversal of 30221602146 is 64120612203.

30221602146 is a `hidden beast` number, since 30 + 2 + 21 + 602 + 1 + 4 + 6 = 666.

It is a super-2 number, since 2×302216021462 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 282871 + ... + 374778.

It is an arithmetic number, because the mean of its divisors is an integer number (1124581500).

Almost surely, 230221602146 is an apocalyptic number.

30221602146 is an abundant number, since it is smaller than the sum of its proper divisors (41751613854).

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

30221602146 is a wasteful number, since it uses less digits than its factorization.

30221602146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657720 (or 657714 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 30221602146 in words is "thirty billion, two hundred twenty-one million, six hundred two thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 23 27 37 46 54 69 74 111 138 207 222 333 414 621 666 851 999 1242 1702 1998 2553 5106 7659 15318 22977 45954 657649 1315298 1972947 3945894 5918841 11837682 15125927 17756523 24333013 30251854 35513046 45377781 48666026 72999039 90755562 136133343 145998078 218997117 272266686 408400029 437994234 559659299 656991351 816800058 1119318598 1313982702 1678977897 3357955794 5036933691 10073867382 15110801073 30221602146