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30221022997 = 1112721632801
BaseRepresentation
bin11100001001010100…
…000011011100010101
32220000011012000221001
4130021110003130111
5443343040213442
621514445223301
72116622312524
oct341124033425
986004160831
1030221022997
11118a8a85970
125a34b61b31
132b08100339
1416699404bb
15bbd2372b7
hex709503715

30221022997 has 8 divisors (see below), whose sum is σ = 33227983872. Its totient is φ = 27257328000.

The previous prime is 30221022901. The next prime is 30221023003. The reversal of 30221022997 is 79922012203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30221022997 - 219 = 30220498709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221022197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10815004 + ... + 10817797.

It is an arithmetic number, because the mean of its divisors is an integer number (4153497984).

Almost surely, 230221022997 is an apocalyptic number.

It is an amenable number.

30221022997 is a deficient number, since it is larger than the sum of its proper divisors (3006960875).

30221022997 is a wasteful number, since it uses less digits than its factorization.

30221022997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21632939.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 30221022997 in words is "thirty billion, two hundred twenty-one million, twenty-two thousand, nine hundred ninety-seven".

Divisors: 1 11 127 1397 21632801 237960811 2747365727 30221022997