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30545033233040 = 2451795807367321
BaseRepresentation
bin1101111000111110100011…
…10110110000001010010000
311000011002001212212201221122
412330133101312300022100
513000422212001424130
6144544110004541412
76301543253416304
oct674372166601220
9130132055781848
1030545033233040
119807091a53017
1235139b99b1868
1314074cc335881
1477855d40dd04
1537e82e2122e5
hex1bc7d1db0290

30545033233040 has 80 divisors (see below), whose sum is σ = 71426438772480. Its totient is φ = 12147630904320.

The previous prime is 30545033233031. The next prime is 30545033233081. The reversal of 30545033233040 is 4033233054503.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82972580 + ... + 83339900.

It is an arithmetic number, because the mean of its divisors is an integer number (892830484656).

Almost surely, 230545033233040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30545033233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35713219386240).

30545033233040 is an abundant number, since it is smaller than the sum of its proper divisors (40881405539440).

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

30545033233040 is a wasteful number, since it uses less digits than its factorization.

30545033233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373320 (or 373314 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 35.

Adding to 30545033233040 its reverse (4033233054503), we get a palindrome (34578266287543).

The spelling of 30545033233040 in words is "thirty trillion, five hundred forty-five billion, thirty-three million, two hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 179 358 716 895 1432 1790 2864 3580 5807 7160 11614 14320 23228 29035 46456 58070 92912 116140 232280 367321 464560 734642 1039453 1469284 1836605 2078906 2938568 3673210 4157812 5197265 5877136 7346420 8315624 10394530 14692840 16631248 20789060 29385680 41578120 65750459 83156240 131500918 263001836 328752295 526003672 657504590 1052007344 1315009180 2133033047 2630018360 4266066094 5260036720 8532132188 10665165235 17064264376 21330330470 34128528752 42660660940 85321321880 170642643760 381812915413 763625830826 1527251661652 1909064577065 3054503323304 3818129154130 6109006646608 7636258308260 15272516616520 30545033233040