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30185097201 = 36717347951
BaseRepresentation
bin11100000111001011…
…000000011111110001
32212220122120211000000
4130013023000133301
5443304341102301
621511123220213
72116005043560
oct340713003761
985818524000
1030185097201
111188a778326
125a24b17669
132b0083207c
141664c6bbd7
15bb9edc786
hex7072c07f1

30185097201 has 56 divisors (see below), whose sum is σ = 54764861184. Its totient is φ = 16233955200.

The previous prime is 30185097197. The next prime is 30185097277. The reversal of 30185097201 is 10279058103.

It is not a de Polignac number, because 30185097201 - 22 = 30185097197 is a prime.

It is a super-2 number, since 2×301850972012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30185097601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 87225 + ... + 260726.

Almost surely, 230185097201 is an apocalyptic number.

It is an amenable number.

30185097201 is a deficient number, since it is larger than the sum of its proper divisors (24579763983).

30185097201 is an equidigital number, since it uses as much as digits as its factorization.

30185097201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347993 (or 347978 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 30185097201 in words is "thirty billion, one hundred eighty-five million, ninety-seven thousand, two hundred one".

Divisors: 1 3 7 9 17 21 27 51 63 81 119 153 189 243 357 459 567 729 1071 1377 1701 3213 4131 5103 9639 12393 28917 86751 347951 1043853 2435657 3131559 5915167 7306971 9394677 17745501 21920913 28184031 41406169 53236503 65762739 84552093 124218507 159709509 197288217 253656279 372655521 479128527 591864651 1117966563 1437385581 1775593953 3353899689 4312156743 10061699067 30185097201