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30802356036 = 2232292512
BaseRepresentation
bin11100101011111101…
…101010011101000100
32221111200001210221100
4130223331222131010
51001040400343121
622052253220100
72140211464164
oct345375523504
987450053840
1030802356036
1112077143aa1
125b77791630
132b9b69149a
1416c2c285a4
15c042b9026
hex72bf6a744

30802356036 has 27 divisors (see below), whose sum is σ = 77864173023. Its totient is φ = 10267101000.

The previous prime is 30802356007. The next prime is 30802356043. The reversal of 30802356036 is 63065320803.

It is a happy number.

The square root of 30802356036 is 175506.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1038411 + ... + 1067661.

Almost surely, 230802356036 is an apocalyptic number.

30802356036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

30802356036 is the 175506-th square number.

It is an amenable number.

30802356036 is an abundant number, since it is smaller than the sum of its proper divisors (47061816987).

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

30802356036 is an frugal number, since it uses more digits than its factorization.

30802356036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58512 (or 29256 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Multiplying 30802356036 by its sum of digits (36), we get a square (1108884817296 = 10530362).

30802356036 divided by its sum of digits (36) gives a square (855621001 = 292512).

Adding to 30802356036 its reverse (63065320803), we get a palindrome (93867676839).

The spelling of 30802356036 in words is "thirty billion, eight hundred two million, three hundred fifty-six thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 29251 58502 87753 117004 175506 263259 351012 526518 1053036 855621001 1711242002 2566863003 3422484004 5133726006 7700589009 10267452012 15401178018 30802356036