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30001020122 = 261245910001
BaseRepresentation
bin11011111100001100…
…110011110011011010
32212102211012201201102
4123330030303303122
5442420230120442
621440545551402
72111311314653
oct337414636332
985384181642
1030001020122
11117a5880507
125993345562
132aa1661518
14164863252a
15ba8c7b232
hex6fc333cda

30001020122 has 8 divisors (see below), whose sum is σ = 45739260372. Its totient is φ = 14754600000.

The previous prime is 30001020107. The next prime is 30001020131. The reversal of 30001020122 is 22102010003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28553902441 + 1447117681 = 168979^2 + 38041^2 .

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

It is a super-2 number, since 2×300010201222 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122954879 + ... + 122955122.

Almost surely, 230001020122 is an apocalyptic number.

30001020122 is a deficient number, since it is larger than the sum of its proper divisors (15738240250).

30001020122 is a wasteful number, since it uses less digits than its factorization.

30001020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245910064.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30001020122 its reverse (22102010003), we get a palindrome (52103030125).

The spelling of 30001020122 in words is "thirty billion, one million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 61 122 245910001 491820002 15000510061 30001020122