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142894868354 = 27173469112577
BaseRepresentation
bin1000010100010100110…
…0101010011110000010
3111122211120220102120122
42011011030222132002
54320122041241404
6145351152540242
713216032224510
oct2050514523602
9448746812518
10142894868354
1155668478627
122383b251682
1310623557054
146cb7ca94b0
153ab4e4a3be
hex214532a782

142894868354 has 32 divisors (see below), whose sum is σ = 246450715776. Its totient is φ = 60868846080.

The previous prime is 142894868299. The next prime is 142894868383. The reversal of 142894868354 is 453868498241.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 11355314 + ... + 11367890.

It is an arithmetic number, because the mean of its divisors is an integer number (7701584868).

Almost surely, 2142894868354 is an apocalyptic number.

142894868354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142894868354 is a deficient number, since it is larger than the sum of its proper divisors (103555847422).

142894868354 is a wasteful number, since it uses less digits than its factorization.

142894868354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17450.

The product of its digits is 53084160, while the sum is 62.

The spelling of 142894868354 in words is "one hundred forty-two billion, eight hundred ninety-four million, eight hundred sixty-eight thousand, three hundred fifty-four".

Divisors: 1 2 7 14 173 346 1211 2422 4691 9382 12577 25154 32837 65674 88039 176078 811543 1623086 2175821 4351642 5680801 11361602 15230747 30461494 58998707 117997414 412990949 825981898 10206776311 20413552622 71447434177 142894868354