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30532311532420 = 2251526615576621
BaseRepresentation
bin1101111000100110110111…
…00101010100001110000100
311000002212020021202101110121
412330103123211110032010
513000220133223014140
6144534203354431324
76300613066640155
oct674233345241604
9130085207671417
1030532311532420
119801753980055
123511449432544
131406252804479
14777ab3a0992c
1537e33743464a
hex1bc4db954384

30532311532420 has 12 divisors (see below), whose sum is σ = 64117854218124. Its totient is φ = 12212924612960.

The previous prime is 30532311532399. The next prime is 30532311532523. The reversal of 30532311532420 is 2423511323503.

It can be written as a sum of positive squares in 2 ways, for example, as 9914336879616 + 20617974652804 = 3148704^2 + 4540702^2 .

It is a super-2 number, since 2×305323115324202 (a number of 28 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, 763307788291 + ... + 763307788330.

It is an arithmetic number, because the mean of its divisors is an integer number (5343154518177).

Almost surely, 230532311532420 is an apocalyptic number.

It is an amenable number.

30532311532420 is an abundant number, since it is smaller than the sum of its proper divisors (33585542685704).

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

30532311532420 is a wasteful number, since it uses less digits than its factorization.

30532311532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526615576630 (or 1526615576628 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 30532311532420 its reverse (2423511323503), we get a palindrome (32955822855923).

The spelling of 30532311532420 in words is "thirty trillion, five hundred thirty-two billion, three hundred eleven million, five hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1526615576621 3053231153242 6106462306484 7633077883105 15266155766210 30532311532420