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30335791220 = 225734422127
BaseRepresentation
bin11100010000001001…
…110111000001110100
32220022011010212022222
4130100021313001310
5444111430304340
621534105141512
72122514654000
oct342011670164
986264125288
1030335791220
1111957843a39
125a6748a898
132b25b14b27
14167ac97700
15bc83578b5
hex710277074

30335791220 has 48 divisors (see below), whose sum is σ = 74291750400. Its totient is φ = 10400840352.

The previous prime is 30335791193. The next prime is 30335791237. The reversal of 30335791220 is 2219753303.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204204 + ... + 2217923.

It is an arithmetic number, because the mean of its divisors is an integer number (1547744800).

Almost surely, 230335791220 is an apocalyptic number.

It is an amenable number.

30335791220 is an abundant number, since it is smaller than the sum of its proper divisors (43955959180).

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

30335791220 is a wasteful number, since it uses less digits than its factorization.

30335791220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422157 (or 4422141 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The spelling of 30335791220 in words is "thirty billion, three hundred thirty-five million, seven hundred ninety-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 4422127 8844254 17688508 22110635 30954889 44221270 61909778 88442540 123819556 154774445 216684223 309548890 433368446 619097780 866736892 1083421115 1516789561 2166842230 3033579122 4333684460 6067158244 7583947805 15167895610 30335791220