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30503156164 = 221312711813911
BaseRepresentation
bin11100011010001000…
…010011100111000100
32220201211001212212121
4130122020103213010
5444432301444124
622002444255324
72126616356305
oct343210234704
986654055777
1030503156164
1111a33266778
125ab3541544
132b516b3940
1416951c27ac
15bd7db72e4
hex71a2139c4

30503156164 has 48 divisors (see below), whose sum is σ = 58003255296. Its totient is φ = 13952131200.

The previous prime is 30503156161. The next prime is 30503156221. The reversal of 30503156164 is 46165130503.

It is not an unprimeable number, because it can be changed into a prime (30503156161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797369 + ... + 7801279.

It is an arithmetic number, because the mean of its divisors is an integer number (1208401152).

Almost surely, 230503156164 is an apocalyptic number.

It is an amenable number.

30503156164 is a deficient number, since it is larger than the sum of its proper divisors (27500099132).

30503156164 is a wasteful number, since it uses less digits than its factorization.

30503156164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236 (or 5234 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 30503156164 its reverse (46165130503), we get a palindrome (76668286667).

The spelling of 30503156164 in words is "thirty billion, five hundred three million, one hundred fifty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 13 26 52 127 254 508 1181 1651 2362 3302 3911 4724 6604 7822 15353 15644 30706 50843 61412 101686 149987 203372 299974 496697 599948 993394 1949831 1986788 3899662 4618891 6457061 7799324 9237782 12914122 18475564 25828244 60045583 120091166 240182332 586599157 1173198314 2346396628 7625789041 15251578082 30503156164