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30220021302 = 235698851793
BaseRepresentation
bin11100001001010000…
…001110111000110110
32220000002022010212020
4130021100032320312
5443342311140202
621514411534010
72116610641242
oct341120167066
986002263766
1030220021302
11118a8461319
125a3475a306
132b07b3c413
14166975d422
15bbd0da5bc
hex70940ee36

30220021302 has 16 divisors (see below), whose sum is σ = 60546270960. Its totient is φ = 10055635712.

The previous prime is 30220021277. The next prime is 30220021327. The reversal of 30220021302 is 20312002203.

It is an interprime number because it is at equal distance from previous prime (30220021277) and next prime (30220021327).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422483 + ... + 4429310.

It is an arithmetic number, because the mean of its divisors is an integer number (3784141935).

Almost surely, 230220021302 is an apocalyptic number.

30220021302 is an abundant number, since it is smaller than the sum of its proper divisors (30326249658).

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

30220021302 is a wasteful number, since it uses less digits than its factorization.

30220021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852367.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220021302 its reverse (20312002203), we get a palindrome (50532023505).

The spelling of 30220021302 in words is "thirty billion, two hundred twenty million, twenty-one thousand, three hundred two".

Divisors: 1 2 3 6 569 1138 1707 3414 8851793 17703586 26555379 53110758 5036670217 10073340434 15110010651 30220021302