Search a number
-
+
30278955271348 = 2271153937893547
BaseRepresentation
bin1101110001001110111100…
…10111111000010010110100
310222012122021110020210200201
412320213132113320102310
512432042300022140343
6144221543210450244
76243403511152540
oct670473627702264
9128178243223621
1030278955271348
119714261975223
123490320a33984
1313b83a72c50a4
1476971b574a20
15377959b5294d
hex1b89de5f84b4

30278955271348 has 24 divisors (see below), whose sum is σ = 60610432645952. Its totient is φ = 12965440379904.

The previous prime is 30278955271309. The next prime is 30278955271351. The reversal of 30278955271348 is 84317255987203.

It is a self number, because there is not a number n which added to its sum of digits gives 30278955271348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468914490 + ... + 468979057.

Almost surely, 230278955271348 is an apocalyptic number.

It is an amenable number.

30278955271348 is an abundant number, since it is smaller than the sum of its proper divisors (30331477374604).

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

30278955271348 is a wasteful number, since it uses less digits than its factorization.

30278955271348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937894711 (or 937894709 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 30278955271348 in words is "thirty trillion, two hundred seventy-eight billion, nine hundred fifty-five million, two hundred seventy-one thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 1153 2306 4612 8071 16142 32284 937893547 1875787094 3751574188 6565254829 13130509658 26261019316 1081391259691 2162782519382 4325565038764 7569738817837 15139477635674 30278955271348