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105521250340 = 22511736570439
BaseRepresentation
bin110001001000110001…
…1101000000000100100
3101002100221211220212001
41202101203220000210
53212101420002330
6120250434335044
710423625554162
oct1422143500044
9332327756761
10105521250340
1140829aa4210
121854aa2a484
139c4865398c
14517044a232
152b28d059ca
hex18918e8024

105521250340 has 48 divisors (see below), whose sum is σ = 245051130240. Its totient is φ = 37845722880.

The previous prime is 105521250337. The next prime is 105521250383. The reversal of 105521250340 is 43052125501.

105521250340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055212503402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105521250299 and 105521250308.

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, 3269160 + ... + 3301279.

It is an arithmetic number, because the mean of its divisors is an integer number (5105231880).

Almost surely, 2105521250340 is an apocalyptic number.

105521250340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105521250340 is an abundant number, since it is smaller than the sum of its proper divisors (139529879900).

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

105521250340 is a wasteful number, since it uses less digits than its factorization.

105521250340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570532 (or 6570530 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 105521250340 its reverse (43052125501), we get a palindrome (148573375841).

The spelling of 105521250340 in words is "one hundred five billion, five hundred twenty-one million, two hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 73 110 146 220 292 365 730 803 1460 1606 3212 4015 8030 16060 6570439 13140878 26281756 32852195 65704390 72274829 131408780 144549658 289099316 361374145 479642047 722748290 959284094 1445496580 1918568188 2398210235 4796420470 5276062517 9592840940 10552125034 21104250068 26380312585 52760625170 105521250340