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30202323208 = 233775290401
BaseRepresentation
bin11100001000001100…
…101110000100001000
32212221211222222122021
4130020030232010020
5443323243320313
621512540334224
72116304340301
oct341014560410
985854888567
1030202323208
11118994734a2
125a2a844374
132b04283985
1416672737a8
15bbb79178d
hex70832e108

30202323208 has 8 divisors (see below), whose sum is σ = 56629356030. Its totient is φ = 15101161600.

The previous prime is 30202323161. The next prime is 30202323211. The reversal of 30202323208 is 80232320203.

It can be written as a sum of positive squares in only one way, i.e., 18927706084 + 11274617124 = 137578^2 + 106182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×302023232082 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887645193 + ... + 1887645208.

Almost surely, 230202323208 is an apocalyptic number.

It is an amenable number.

30202323208 is a deficient number, since it is larger than the sum of its proper divisors (26427032822).

30202323208 is a wasteful number, since it uses less digits than its factorization.

30202323208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775290407 (or 3775290403 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 30202323208 in words is "thirty billion, two hundred two million, three hundred twenty-three thousand, two hundred eight".

Divisors: 1 2 4 8 3775290401 7550580802 15101161604 30202323208