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42106267777400 = 2352210531338887
BaseRepresentation
bin10011001001011101000010…
…01000100011100101111000
312112002022122012100021201222
421210232201020203211320
521004332114022334100
6225315204040331212
711604035365541561
oct1144564110434570
9175068565307658
1042106267777400
11124641934a7982
124880587a73b08
131a657b1032598
14a57d505c1168
154d0432313485
hex264ba1223978

42106267777400 has 24 divisors (see below), whose sum is σ = 97897072582920. Its totient is φ = 16842507110880.

The previous prime is 42106267777373. The next prime is 42106267777403. The reversal of 42106267777400 is 477776260124.

It is a super-2 number, since 2×421062677774002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42106267777403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105265669244 + ... + 105265669643.

It is an arithmetic number, because the mean of its divisors is an integer number (4079044690955).

Almost surely, 242106267777400 is an apocalyptic number.

42106267777400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42106267777400 is an abundant number, since it is smaller than the sum of its proper divisors (55790804805520).

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

42106267777400 is a wasteful number, since it uses less digits than its factorization.

42106267777400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210531338903 (or 210531338894 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 42106267777400 in words is "forty-two trillion, one hundred six billion, two hundred sixty-seven million, seven hundred seventy-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 210531338887 421062677774 842125355548 1052656694435 1684250711096 2105313388870 4210626777740 5263283472175 8421253555480 10526566944350 21053133888700 42106267777400