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421132030252052 = 2271031263171156009
BaseRepresentation
bin101111111000001000111000…
…1000100010001010000010100
32001020002211101021100210010212
41133300101301010101100110
5420144311344221031202
64051401214530104552
7154463533204230650
oct13760216104212024
92036084337323125
10421132030252052
11112205100208109
123b296260a1b158
13150ca7704abb02
1475dcc82ca9a60
1533a492592a652
hex17f0471111414

421132030252052 has 48 divisors (see below), whose sum is σ = 850448849752320. Its totient is φ = 178731303190272.

The previous prime is 421132030251973. The next prime is 421132030252069. The reversal of 421132030252052 is 250252030231124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363720224 + ... + 364876232.

It is an arithmetic number, because the mean of its divisors is an integer number (17717684369840).

Almost surely, 2421132030252052 is an apocalyptic number.

It is an amenable number.

421132030252052 is an abundant number, since it is smaller than the sum of its proper divisors (429316819500268).

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

421132030252052 is a wasteful number, since it uses less digits than its factorization.

421132030252052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282440 (or 1282438 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 421132030252052 its reverse (250252030231124), we get a palindrome (671384060483176).

The spelling of 421132030252052 in words is "four hundred twenty-one trillion, one hundred thirty-two billion, thirty million, two hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 7 14 28 103 206 412 721 1442 2884 126317 252634 505268 884219 1156009 1768438 2312018 3536876 4624036 8092063 13010651 16184126 26021302 32368252 52042604 91074557 119068927 182149114 238137854 364298228 476275708 833482489 1666964978 3333929956 146023588853 292047177706 584094355412 1022165121971 2044330243942 4088660487884 15040429651859 30080859303718 60161718607436 105283007563013 210566015126026 421132030252052