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42778053800 = 2352713012539
BaseRepresentation
bin100111110101110001…
…010100110010101000
311002102021110021212222
4213311301110302220
51200102140210200
631352454053212
73043036313006
oct476561246250
9132367407788
1042778053800
1117162106a79
12835a34a208
134059797591
1420db51ba76
1511a5838d85
hex9f5c54ca8

42778053800 has 48 divisors (see below), whose sum is σ = 100859839200. Its totient is φ = 16870212800.

The previous prime is 42778053793. The next prime is 42778053803. The reversal of 42778053800 is 835087724.

It is a happy number.

42778053800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42778053803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1492070 + ... + 1520469.

It is an arithmetic number, because the mean of its divisors is an integer number (2101246650).

Almost surely, 242778053800 is an apocalyptic number.

42778053800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42778053800 is an abundant number, since it is smaller than the sum of its proper divisors (58081785400).

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

42778053800 is a wasteful number, since it uses less digits than its factorization.

42778053800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012626 (or 3012617 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 42778053800 in words is "forty-two billion, seven hundred seventy-eight million, fifty-three thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2840 3550 7100 14200 3012539 6025078 12050156 15062695 24100312 30125390 60250780 75313475 120501560 150626950 213890269 301253900 427780538 602507800 855561076 1069451345 1711122152 2138902690 4277805380 5347256725 8555610760 10694513450 21389026900 42778053800