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1423420241020 = 2251491489320791
BaseRepresentation
bin10100101101101010011…
…101010011010001111100
312001002002121022022100221
4110231222131103101330
5141310131040203040
63005524335431124
7204560452263061
oct24555235232174
95032077268327
101423420241020
114a973a687a88
121aba506854a4
13a42c6a7365b
144cc72c4ac68
152705e2d074a
hex14b6a75347c

1423420241020 has 48 divisors (see below), whose sum is σ = 3011274504000. Its totient is φ = 565165255680.

The previous prime is 1423420241017. The next prime is 1423420241027. The reversal of 1423420241020 is 201420243241.

It is a super-2 number, since 2×14234202410202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423420241027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276825 + ... + 4597615.

It is an arithmetic number, because the mean of its divisors is an integer number (62734885500).

Almost surely, 21423420241020 is an apocalyptic number.

1423420241020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423420241020 is an abundant number, since it is smaller than the sum of its proper divisors (1587854262980).

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

1423420241020 is a wasteful number, since it uses less digits than its factorization.

1423420241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322438 (or 322436 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1423420241020 its reverse (201420243241), we get a palindrome (1624840484261).

The spelling of 1423420241020 in words is "one trillion, four hundred twenty-three billion, four hundred twenty million, two hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1489 1490 2978 2980 5956 7445 14890 29780 221861 320791 443722 641582 887444 1109305 1283164 1603955 2218610 3207910 4437220 6415820 47797859 95595718 191191436 238989295 477657799 477978590 955315598 955957180 1910631196 2388288995 4776577990 9553155980 71171012051 142342024102 284684048204 355855060255 711710120510 1423420241020