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30121110201 = 37132315131769
BaseRepresentation
bin11100000011010110…
…111010101010111001
32212202012011221100010
4130003112322222321
5443142001011301
621500515532133
72114300132550
oct340326725271
985665157303
1030121110201
1111857643a06
125a075ba049
132ac04ba440
14165a572d97
15bb459d5d6
hex7035baab9

30121110201 has 64 divisors (see below), whose sum is σ = 51921838080. Its totient is φ = 15096153600.

The previous prime is 30121110199. The next prime is 30121110211. The reversal of 30121110201 is 10201112103.

It is not a de Polignac number, because 30121110201 - 21 = 30121110199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932245 + ... + 964013.

It is an arithmetic number, because the mean of its divisors is an integer number (811278720).

Almost surely, 230121110201 is an apocalyptic number.

It is an amenable number.

30121110201 is a deficient number, since it is larger than the sum of its proper divisors (21800727879).

30121110201 is a wasteful number, since it uses less digits than its factorization.

30121110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31966.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 30121110201 its reverse (10201112103), we get a palindrome (40322222304).

The spelling of 30121110201 in words is "thirty billion, one hundred twenty-one million, one hundred ten thousand, two hundred one".

Divisors: 1 3 7 13 21 23 39 69 91 151 161 273 299 453 483 897 1057 1963 2093 3171 3473 5889 6279 10419 13741 24311 31769 41223 45149 72933 95307 135447 222383 316043 412997 667149 730687 948129 1238991 2192061 2890979 4797119 5114809 8672937 9498931 14391357 15344427 28496793 33579833 62362547 66492517 100739499 110333737 187087641 199477551 331001211 436537829 772336159 1309613487 1434338581 2317008477 4303015743 10040370067 30121110201