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30551145200 = 2452369120693
BaseRepresentation
bin11100011100111111…
…010111101011110000
32220212011100222110022
4130130333113223300
51000032043121300
622011321023012
72131041310112
oct343477275360
986764328408
1030551145200
1111a58363634
125b07624a68
132b5b616914
14169b7153b2
15bdc1e6285
hex71cfd7af0

30551145200 has 60 divisors (see below), whose sum is σ = 73422560328. Its totient is φ = 12216556800.

The previous prime is 30551145193. The next prime is 30551145263. The reversal of 30551145200 is 254115503.

It is a self number, because there is not a number n which added to its sum of digits gives 30551145200.

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, 1466054 + ... + 1486746.

Almost surely, 230551145200 is an apocalyptic number.

It is an amenable number.

30551145200 is an abundant number, since it is smaller than the sum of its proper divisors (42871415128).

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

30551145200 is a wasteful number, since it uses less digits than its factorization.

30551145200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24402 (or 24391 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 30551145200 in words is "thirty billion, five hundred fifty-one million, one hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3691 7382 14764 18455 20693 29528 36910 41386 59056 73820 82772 92275 103465 147640 165544 184550 206930 295280 331088 369100 413860 517325 738200 827720 1034650 1476400 1655440 2069300 4138600 8277200 76377863 152755726 305511452 381889315 611022904 763778630 1222045808 1527557260 1909446575 3055114520 3818893150 6110229040 7637786300 15275572600 30551145200