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30120010000101 = 3272693177532639
BaseRepresentation
bin1101101100100110111000…
…11111110010011011100101
310221122110000021200102112200
412312103130133302123211
512421441240030000401
6144020535214005113
76226045632511350
oct666233437623345
9127573007612480
1030120010000101
11966290846641a
1234655624a6799
1313a63c6718228
14761b5db77297
15373755aa7686
hex1b64dc7f26e5

30120010000101 has 24 divisors (see below), whose sum is σ = 49740384944640. Its totient is φ = 17205043013856.

The previous prime is 30120010000097. The next prime is 30120010000103. The reversal of 30120010000101 is 10100001002103.

It is not a de Polignac number, because 30120010000101 - 22 = 30120010000097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120010000103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88596661 + ... + 88935978.

It is an arithmetic number, because the mean of its divisors is an integer number (2072516039360).

Almost surely, 230120010000101 is an apocalyptic number.

It is an amenable number.

30120010000101 is a deficient number, since it is larger than the sum of its proper divisors (19620374944539).

30120010000101 is a wasteful number, since it uses less digits than its factorization.

30120010000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177535345 (or 177535342 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30120010000101 its reverse (10100001002103), we get a palindrome (40220011002204).

The spelling of 30120010000101 in words is "thirty trillion, one hundred twenty billion, ten million, one hundred one", and thus it is an aban number.

Divisors: 1 3 7 9 21 63 2693 8079 18851 24237 56553 169659 177532639 532597917 1242728473 1597793751 3728185419 11184556257 478095396827 1434286190481 3346667777789 4302858571443 10040003333367 30120010000101