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421121240524130 = 251725149871978997
BaseRepresentation
bin101111111000000011110110…
…1111100101110010101100010
32001020001210112022120210222012
41133300013231330232111202
5420144122300033233010
64051352232132512522
7154463001630114146
oct13760075574562542
92036053468523865
10421121240524130
111122005737388a3
123b29414b47b742
13150c9740cc7113
1475dc53bcd3226
1533a44e3574005
hex17f01edf2e562

421121240524130 has 64 divisors (see below), whose sum is σ = 805967168775552. Its totient is φ = 157876384896000.

The previous prime is 421121240524087. The next prime is 421121240524151. The reversal of 421121240524130 is 31425042121124.

It is a super-2 number, since 2×4211212405241302 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211805792 + ... + 213784788.

It is an arithmetic number, because the mean of its divisors is an integer number (12593237012118).

Almost surely, 2421121240524130 is an apocalyptic number.

421121240524130 is a deficient number, since it is larger than the sum of its proper divisors (384845928251422).

421121240524130 is a wasteful number, since it uses less digits than its factorization.

421121240524130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984259.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 421121240524130 its reverse (31425042121124), we get a palindrome (452546282645254).

The spelling of 421121240524130 in words is "four hundred twenty-one trillion, one hundred twenty-one billion, two hundred forty million, five hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 251 502 1255 2510 4267 4987 8534 9974 21335 24935 42670 49870 84779 169558 423895 847790 1251737 1978997 2503474 3957994 6258685 9894985 12517370 19789970 21279529 33642949 42559058 67285898 106397645 168214745 212795290 336429490 496728247 993456494 2483641235 4967282470 8444380199 9869258039 16888760398 19738516078 42221900995 49346290195 84443801990 98692580390 167777386663 335554773326 838886933315 1677773866630 2477183767789 4954367535578 12385918838945 24771837677890 42112124052413 84224248104826 210560620262065 421121240524130