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30120422033111 = 237119922331999
BaseRepresentation
bin1101101100100111101010…
…00011100100011011010111
310221122111001222222212120112
412312103311003210123113
512421443111020024421
6144021044133153235
76226062064650644
oct666236503443327
9127574058885515
1030120422033111
119662aa9aaa973
12346565848b81b
1313a6460bb0847
14761b9c790dcb
1537377bd4645b
hex1b64f50e46d7

30120422033111 has 48 divisors (see below), whose sum is σ = 32187227904000. Its totient is φ = 28126938026880.

The previous prime is 30120422033089. The next prime is 30120422033123. The reversal of 30120422033111 is 11133022402103.

It is a de Polignac number, because none of the positive numbers 2k-30120422033111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120422033311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15067743890 + ... + 15067745888.

It is an arithmetic number, because the mean of its divisors is an integer number (670567248000).

Almost surely, 230120422033111 is an apocalyptic number.

30120422033111 is a deficient number, since it is larger than the sum of its proper divisors (2066805870889).

30120422033111 is a wasteful number, since it uses less digits than its factorization.

30120422033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30120422033111 its reverse (11133022402103), we get a palindrome (41253444435214).

The spelling of 30120422033111 in words is "thirty trillion, one hundred twenty billion, four hundred twenty-two million, thirty-three thousand, one hundred eleven".

Divisors: 1 23 71 199 233 1633 1999 4577 5359 14129 16543 39601 45977 46367 141929 324967 380489 397801 465767 910823 1066441 2811671 3264367 3292057 9149423 9227033 10712641 28243871 33069457 64668433 75717311 79162399 92687633 212221759 649609033 655119343 760597511 1820735177 2131815559 5620530329 6580821943 15067744889 18444838967 129272197567 151358904689 424231296241 1309583566657 30120422033111