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421031231120104 = 2311113164999256609
BaseRepresentation
bin101111110111011001111100…
…0111110000110001011101000
32001012202012012102000022221121
41133232303320332012023220
5420141133430131320404
64051243024414545024
7154453334254602463
oct13756637076061350
92035665172008847
10421031231120104
11112176384784390
123b27a80b508174
13150c10c8261637
1475d803da682da
1533a1ec648ae54
hex17eecf8f862e8

421031231120104 has 64 divisors (see below), whose sum is σ = 868830138000000. Its totient is φ = 189682334392320.

The previous prime is 421031231120077. The next prime is 421031231120107. The reversal of 421031231120104 is 401021132130124.

It is not an unprimeable number, because it can be changed into a prime (421031231120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640621752 + ... + 1640878360.

It is an arithmetic number, because the mean of its divisors is an integer number (13575470906250).

Almost surely, 2421031231120104 is an apocalyptic number.

421031231120104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421031231120104 is an abundant number, since it is smaller than the sum of its proper divisors (447798906879896).

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

421031231120104 is a wasteful number, since it uses less digits than its factorization.

421031231120104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421738 (or 421734 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 421031231120104 its reverse (401021132130124), we get a palindrome (822052363250228).

The spelling of 421031231120104 in words is "four hundred twenty-one trillion, thirty-one billion, two hundred thirty-one million, one hundred twenty thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 113 226 452 904 1243 2486 4972 9944 164999 256609 329998 513218 659996 1026436 1319992 1814989 2052872 2822699 3629978 5645398 7259956 11290796 14519912 18644887 22581592 28996817 37289774 57993634 74579548 115987268 149159096 205093757 231974536 318964987 410187514 637929974 820375028 1275859948 1640750056 2551719896 42340228391 84680456782 169360913564 338721827128 465742512301 931485024602 1862970049204 3725940098408 4784445808183 9568891616366 19137783232732 38275566465464 52628903890013 105257807780026 210515615560052 421031231120104