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30403659040 = 2556173139307
BaseRepresentation
bin11100010100001100…
…110000010100100000
32220110212211220110221
4130110030300110200
5444231314042130
621544531532424
72124300560236
oct342414602440
986425756427
1030403659040
1111992089047
125a8615a114
132b36bb7cc1
141685cc2956
15bce2b187a
hex714330520

30403659040 has 192 divisors, whose sum is σ = 74781463680. Its totient is φ = 11675197440.

The previous prime is 30403659023. The next prime is 30403659049. The reversal of 30403659040 is 4095630403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30403658987 and 30403659005.

It is not an unprimeable number, because it can be changed into a prime (30403659049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99034567 + ... + 99034873.

It is an arithmetic number, because the mean of its divisors is an integer number (389486790).

Almost surely, 230403659040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30403659040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37390731840).

30403659040 is an abundant number, since it is smaller than the sum of its proper divisors (44377804640).

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

30403659040 is a wasteful number, since it uses less digits than its factorization.

30403659040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 30403659040 in words is "thirty billion, four hundred three million, six hundred fifty-nine thousand, forty".