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30210421414 = 215105210707
BaseRepresentation
bin11100001000101011…
…100111001010100110
32212222102020102021211
4130020223213022212
5443332331441124
621513430102034
72116433226235
oct341053471246
985872212254
1030210421414
11118a2aa4828
125a314aa91a
132b05b5aa04
141668380b1c
15bbc340e94
hex708ae72a6

30210421414 has 4 divisors (see below), whose sum is σ = 45315632124. Its totient is φ = 15105210706.

The previous prime is 30210421259. The next prime is 30210421429. The reversal of 30210421414 is 41412401203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41412401203 = 61678891823.

It is a super-2 number, since 2×302104214142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552605352 + ... + 7552605355.

It is an arithmetic number, because the mean of its divisors is an integer number (11328908031).

Almost surely, 230210421414 is an apocalyptic number.

30210421414 is a deficient number, since it is larger than the sum of its proper divisors (15105210710).

30210421414 is a wasteful number, since it uses less digits than its factorization.

30210421414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105210709.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 30210421414 its reverse (41412401203), we get a palindrome (71622822617).

The spelling of 30210421414 in words is "thirty billion, two hundred ten million, four hundred twenty-one thousand, four hundred fourteen".

Divisors: 1 2 15105210707 30210421414