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33023031230020 = 22513974913028173
BaseRepresentation
bin1111000001000110001100…
…00010111011111001000100
311022220222012211021202001111
413200203012002323321010
513312022131443330040
6154122323205534404
76645556333023436
oct740430602737104
9138828184252044
1033023031230020
11a581a97247827
123854102414404
13155709b6440c0
14822474d80656
153c401144adea
hex1e08c60bbe44

33023031230020 has 48 divisors (see below), whose sum is σ = 74690521542000. Its totient is φ = 12191867582976.

The previous prime is 33023031230017. The next prime is 33023031230023. The reversal of 33023031230020 is 2003213032033.

It is an interprime number because it is at equal distance from previous prime (33023031230017) and next prime (33023031230023).

It can be written as a sum of positive squares in 8 ways, for example, as 1096824722436 + 31926206507584 = 1047294^2 + 5650328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33023031229973 and 33023031230000.

It is not an unprimeable number, because it can be changed into a prime (33023031230023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979347 + ... + 9048826.

It is an arithmetic number, because the mean of its divisors is an integer number (1556052532125).

Almost surely, 233023031230020 is an apocalyptic number.

It is an amenable number.

33023031230020 is an abundant number, since it is smaller than the sum of its proper divisors (41667490311980).

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

33023031230020 is a wasteful number, since it uses less digits than its factorization.

33023031230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037944 (or 13037942 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 33023031230020 its reverse (2003213032033), we get a palindrome (35026244262053).

The spelling of 33023031230020 in words is "thirty-three trillion, twenty-three billion, thirty-one million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 9749 19498 38996 48745 97490 126737 194980 253474 506948 633685 1267370 2534740 13028173 26056346 52112692 65140865 130281730 169366249 260563460 338732498 677464996 846831245 1693662490 3387324980 127011658577 254023317154 508046634308 635058292885 1270116585770 1651151561501 2540233171540 3302303123002 6604606246004 8255757807505 16511515615010 33023031230020