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30750326136 = 233515818069
BaseRepresentation
bin11100101000110111…
…001011110101111000
32221101001011102100000
4130220313023311320
51000434040414021
622043154113000
72136010313415
oct345067136570
987331142300
1030750326136
111204a837182
125b6227b760
132b9097516a
1416b9d6310c
15bee93cb26
hex728dcbd78

30750326136 has 48 divisors (see below), whose sum is σ = 86366662200. Its totient is φ = 10250108064.

The previous prime is 30750326129. The next prime is 30750326143. The reversal of 30750326136 is 63162305703.

30750326136 is a `hidden beast` number, since 3 + 0 + 7 + 5 + 0 + 32 + 613 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (30750326129) and next prime (30750326143).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30750326136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7907091 + ... + 7910978.

Almost surely, 230750326136 is an apocalyptic number.

30750326136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30750326136 is an abundant number, since it is smaller than the sum of its proper divisors (55616336064).

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

30750326136 is a wasteful number, since it uses less digits than its factorization.

30750326136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15818090 (or 15818074 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 30750326136 in words is "thirty billion, seven hundred fifty million, three hundred twenty-six thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 972 1944 15818069 31636138 47454207 63272276 94908414 126544552 142362621 189816828 284725242 379633656 427087863 569450484 854175726 1138900968 1281263589 1708351452 2562527178 3416702904 3843790767 5125054356 7687581534 10250108712 15375163068 30750326136