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3898488342650 = 252117399591557
BaseRepresentation
bin111000101110110000000…
…000110100100001111010
3111210200200100121012122012
4320232300000310201322
51002333101003431100
612142535114525522
7551441114105246
oct70566000644172
914720610535565
103898488342650
111273381043a80
1252b677a368a2
1322381a0749b5
14d698b623426
156b61e1c2135
hex38bb003487a

3898488342650 has 48 divisors (see below), whose sum is σ = 7921092258720. Its totient is φ = 1415713665600.

The previous prime is 3898488342649. The next prime is 3898488342659. The reversal of 3898488342650 is 562438848983.

It is a super-2 number, since 2×38984883426502 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898488342659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4389329 + ... + 5202228.

It is an arithmetic number, because the mean of its divisors is an integer number (165022755390).

Almost surely, 23898488342650 is an apocalyptic number.

3898488342650 is an abundant number, since it is smaller than the sum of its proper divisors (4022603916070).

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

3898488342650 is a wasteful number, since it uses less digits than its factorization.

3898488342650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592319 (or 9592314 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 68.

The spelling of 3898488342650 in words is "three trillion, eight hundred ninety-eight billion, four hundred eighty-eight million, three hundred forty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 739 1478 3695 7390 8129 16258 18475 36950 40645 81290 203225 406450 9591557 19183114 47957785 95915570 105507127 211014254 239788925 479577850 527535635 1055071270 2637678175 5275356350 7088160623 14176321246 35440803115 70881606230 77969766853 155939533706 177204015575 354408031150 389848834265 779697668530 1949244171325 3898488342650