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42810169290 = 2357203857949
BaseRepresentation
bin100111110111101011…
…110101011111001010
311002111111212221001120
4213313223311133022
51200133400404130
631400002300110
73043606302120
oct476753653712
9132444787046
1042810169290
11171792518a9
128369057636
134063330425
1421018bb910
1511a857e910
hex9f7af57ca

42810169290 has 32 divisors (see below), whose sum is σ = 117422179200. Its totient is φ = 9785181504.

The previous prime is 42810169253. The next prime is 42810169331. The reversal of 42810169290 is 9296101824.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101928765 + ... + 101929184.

It is an arithmetic number, because the mean of its divisors is an integer number (3669443100).

Almost surely, 242810169290 is an apocalyptic number.

42810169290 is an abundant number, since it is smaller than the sum of its proper divisors (74612009910).

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

42810169290 is a wasteful number, since it uses less digits than its factorization.

42810169290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203857966.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 42810169290 in words is "forty-two billion, eight hundred ten million, one hundred sixty-nine thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 203857949 407715898 611573847 1019289745 1223147694 1427005643 2038579490 2854011286 3057869235 4281016929 6115738470 7135028215 8562033858 14270056430 21405084645 42810169290