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1230306421156 = 22827371918507
BaseRepresentation
bin10001111001110011111…
…110100010100110100100
311100121122011120211011021
4101321303332202212210
5130124131420434111
62341110040220524
7154613066014021
oct21716376424644
94317564524137
101230306421156
1143485199a94a
1217a53716a744
138c02c2b84a7
1443793538548
152200a690d71
hex11e73fa29a4

1230306421156 has 12 divisors (see below), whose sum is σ = 2155639672368. Its totient is φ = 614409371912.

The previous prime is 1230306421151. The next prime is 1230306421171. The reversal of 1230306421156 is 6511246030321.

It is not an unprimeable number, because it can be changed into a prime (1230306421151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185955946 + ... + 185962561.

It is an arithmetic number, because the mean of its divisors is an integer number (179636639364).

Almost surely, 21230306421156 is an apocalyptic number.

It is an amenable number.

1230306421156 is a deficient number, since it is larger than the sum of its proper divisors (925333251212).

1230306421156 is a wasteful number, since it uses less digits than its factorization.

1230306421156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371919338 (or 371919336 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 1230306421156 in words is "one trillion, two hundred thirty billion, three hundred six million, four hundred twenty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 827 1654 3308 371918507 743837014 1487674028 307576605289 615153210578 1230306421156