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30032212616 = 237663780803
BaseRepresentation
bin11011111110000011…
…110011001010001000
32212111222220110202222
4123332003303022020
5443001221300431
621444022313212
72112140411120
oct337603631210
985458813688
1030032212616
111181144592a
1259a1888808
132aa7c63213
14164c831c80
15bab88d57b
hex6fe0f3288

30032212616 has 32 divisors (see below), whose sum is σ = 64365234240. Its totient is φ = 12868849728.

The previous prime is 30032212603. The next prime is 30032212619. The reversal of 30032212616 is 61621223003.

It is a super-2 number, since 2×300322126162 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30032212619) 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, 331271 + ... + 412073.

It is an arithmetic number, because the mean of its divisors is an integer number (2011413570).

Almost surely, 230032212616 is an apocalyptic number.

It is an amenable number.

30032212616 is an abundant number, since it is smaller than the sum of its proper divisors (34333021624).

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

30032212616 is a wasteful number, since it uses less digits than its factorization.

30032212616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87453 (or 87449 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 30032212616 its reverse (61621223003), we get a palindrome (91653435619).

The spelling of 30032212616 in words is "thirty billion, thirty-two million, two hundred twelve thousand, six hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 6637 13274 26548 46459 53096 80803 92918 161606 185836 323212 371672 565621 646424 1131242 2262484 4524968 536289511 1072579022 2145158044 3754026577 4290316088 7508053154 15016106308 30032212616