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42213403231242 = 23411631052755829
BaseRepresentation
bin10011001100100100100101…
…11001111000010000001010
312112110120011122121020111220
421212102102321320100022
521013111022211344432
6225440323021102510
711614550325063525
oct1146222271702012
9175416148536456
1042213403231242
11124a5670694071
1248992a73b7a36
131a72925c22c59
14a5d1d517bbbc
154d3102bc172c
hex266492e7840a

42213403231242 has 32 divisors (see below), whose sum is σ = 87016585884480. Its totient is φ = 13643715530880.

The previous prime is 42213403231213. The next prime is 42213403231247. The reversal of 42213403231242 is 24213230431224.

It is a happy number.

It is a super-3 number, since 3×422134032312423 (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42213403231247) by changing a digit.

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, 526337817 + ... + 526418012.

It is an arithmetic number, because the mean of its divisors is an integer number (2719268308890).

Almost surely, 242213403231242 is an apocalyptic number.

42213403231242 is an abundant number, since it is smaller than the sum of its proper divisors (44803182653238).

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

42213403231242 is a wasteful number, since it uses less digits than its factorization.

42213403231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052756038.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 42213403231242 its reverse (24213230431224), we get a palindrome (66426633662466).

The spelling of 42213403231242 in words is "forty-two trillion, two hundred thirteen billion, four hundred three million, two hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 41 82 123 163 246 326 489 978 6683 13366 20049 40098 1052755829 2105511658 3158267487 6316534974 43162988989 86325977978 129488966967 171599200127 258977933934 343198400254 514797600381 1029595200762 7035567205207 14071134410414 21106701615621 42213403231242