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30213325412440 = 235755333135311
BaseRepresentation
bin1101101111010100101101…
…00001110101100001011000
310221222100212121002112101121
412313222112201311201120
512430003342301144230
6144131450551055024
76235561240441162
oct667522641654130
9127870777075347
1030213325412440
119699443598905
12347b665671474
1313b2148387a51
14766493103932
15375db802d77a
hex1b7a96875858

30213325412440 has 16 divisors (see below), whose sum is σ = 67979982178080. Its totient is φ = 12085330164960.

The previous prime is 30213325412429. The next prime is 30213325412447. The reversal of 30213325412440 is 4421452331203.

It is a super-2 number, since 2×302133254124402 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30213325412396 and 30213325412405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213325412447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377666567616 + ... + 377666567695.

It is an arithmetic number, because the mean of its divisors is an integer number (4248748886130).

Almost surely, 230213325412440 is an apocalyptic number.

It is an amenable number.

30213325412440 is an abundant number, since it is smaller than the sum of its proper divisors (37766656765640).

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

30213325412440 is a wasteful number, since it uses less digits than its factorization.

30213325412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755333135322 (or 755333135318 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 30213325412440 its reverse (4421452331203), we get a palindrome (34634777743643).

The spelling of 30213325412440 in words is "thirty trillion, two hundred thirteen billion, three hundred twenty-five million, four hundred twelve thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 755333135311 1510666270622 3021332541244 3776665676555 6042665082488 7553331353110 15106662706220 30213325412440