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30211102112312 = 2311343307978549
BaseRepresentation
bin1101101111010000100100…
…00000100111101000111000
310221222011010122120011222102
412313220102000213220320
512424434314120043222
6144130442210042532
76235452162626462
oct667502200475070
9127864118504872
1030211102112312
1196985025a4590
12347b144b79448
1313b1b82888b44
14766321b1d132
15375cd7c5cd92
hex1b7a12027a38

30211102112312 has 16 divisors (see below), whose sum is σ = 61795436139000. Its totient is φ = 13732319141920.

The previous prime is 30211102112293. The next prime is 30211102112341. The reversal of 30211102112312 is 21321120111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171653989187 + ... + 171653989362.

Almost surely, 230211102112312 is an apocalyptic number.

It is an amenable number.

30211102112312 is an abundant number, since it is smaller than the sum of its proper divisors (31584334026688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211102112312 is a wasteful number, since it uses less digits than its factorization.

30211102112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343307978566 (or 343307978562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30211102112312 its reverse (21321120111203), we get a palindrome (51532222223515).

The spelling of 30211102112312 in words is "thirty trillion, two hundred eleven billion, one hundred two million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 343307978549 686615957098 1373231914196 2746463828392 3776387764039 7552775528078 15105551056156 30211102112312