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33808368380 = 22523311236323
BaseRepresentation
bin11111011111001000…
…101100001011111100
310020021011102001122212
4133133020230023330
51023214420242010
623310434355552
72304542250443
oct373710541374
9106234361585
1033808368380
1113379a40616
12667642bbb8
13325a39c507
1418ca157d5a
15d2d149505
hex7df22c2fc

33808368380 has 48 divisors (see below), whose sum is σ = 74322952704. Its totient is φ = 12893728320.

The previous prime is 33808368281. The next prime is 33808368397. The reversal of 33808368380 is 8386380833.

It is a super-2 number, since 2×338083683802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 24899 + ... + 261221.

It is an arithmetic number, because the mean of its divisors is an integer number (1548394848).

Almost surely, 233808368380 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 33808368380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37161476352).

33808368380 is an abundant number, since it is smaller than the sum of its proper divisors (40514584324).

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

33808368380 is a wasteful number, since it uses less digits than its factorization.

33808368380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236666 (or 236664 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 33808368380 in words is "thirty-three billion, eight hundred eight million, three hundred sixty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 311 460 622 1244 1555 3110 6220 7153 14306 28612 35765 71530 143060 236323 472646 945292 1181615 2363230 4726460 5435429 10870858 21741716 27177145 54354290 73496453 108708580 146992906 293985812 367482265 734964530 1469929060 1690418419 3380836838 6761673676 8452092095 16904184190 33808368380