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245040130033040 = 24580917737213461
BaseRepresentation
bin110111101101110011011001…
…111010000000010110010000
31012010121121101222102002121002
4313231303121322000112100
5224104214141242024130
62225053514240121132
7102420364565653406
oct6755633172002620
91163547358362532
10245040130033040
1171093a32247741
12235965039061a8
13a6962538ca984
144472011421476
151d4e0c95ecb45
hexdedcd9e80590

245040130033040 has 80 divisors (see below), whose sum is σ = 570457360110960. Its totient is φ = 97888917135360.

The previous prime is 245040130032989. The next prime is 245040130033051. The reversal of 245040130033040 is 40330031040542.

245040130033040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 32834366896384 + 212205763136656 = 5730128^2 + 14567284^2 .

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

It is a super-3 number, since 3×2450401300330403 (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245040130032994 and 245040130033012.

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, 1147831910 + ... + 1148045370.

It is an arithmetic number, because the mean of its divisors is an integer number (7130717001387).

Almost surely, 2245040130033040 is an apocalyptic number.

245040130033040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245040130033040 is an abundant number, since it is smaller than the sum of its proper divisors (325417230077920).

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

245040130033040 is a wasteful number, since it uses less digits than its factorization.

245040130033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232020 (or 232014 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 245040130033040 its reverse (40330031040542), we get a palindrome (285370161073582).

The spelling of 245040130033040 in words is "two hundred forty-five trillion, forty billion, one hundred thirty million, thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 809 1618 3236 4045 6472 8090 12944 16180 17737 32360 35474 64720 70948 88685 141896 177370 213461 283792 354740 426922 709480 853844 1067305 1418960 1707688 2134610 3415376 4269220 8538440 14349233 17076880 28698466 57396932 71746165 114793864 143492330 172689949 229587728 286984660 345379898 573969320 690759796 863449745 1147938640 1381519592 1726899490 2763039184 3453798980 3786157757 6907597960 7572315514 13815195920 15144631028 18930788785 30289262056 37861577570 60578524112 75723155140 151446310280 302892620560 3063001625413 6126003250826 12252006501652 15315008127065 24504013003304 30630016254130 49008026006608 61260032508260 122520065016520 245040130033040