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144894896212 = 221137103985661
BaseRepresentation
bin1000011011110001101…
…0001010100001010100
3111211222222022101000111
42012330122022201110
54333221043134322
6150321440252404
713316426203513
oct2067432124124
9454888271014
10144894896212
11564a4434110
12240b9011104
1310881a10ca1
14702777067a
153b80816177
hex21bc68a854

144894896212 has 48 divisors (see below), whose sum is σ = 284370428160. Its totient is φ = 64018857600.

The previous prime is 144894896191. The next prime is 144894896239. The reversal of 144894896212 is 212698498441.

It is a congruent 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, 1648662 + ... + 1734322.

It is an arithmetic number, because the mean of its divisors is an integer number (5924383920).

Almost surely, 2144894896212 is an apocalyptic number.

It is an amenable number.

144894896212 is a deficient number, since it is larger than the sum of its proper divisors (139475531948).

144894896212 is a wasteful number, since it uses less digits than its factorization.

144894896212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86752 (or 86750 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 58.

The spelling of 144894896212 in words is "one hundred forty-four billion, eight hundred ninety-four million, eight hundred ninety-six thousand, two hundred twelve".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1039 1628 2078 4156 11429 22858 38443 45716 76886 85661 153772 171322 342644 422873 845746 942271 1691492 1884542 3169457 3769084 6338914 12677828 34864027 69728054 89001779 139456108 178003558 356007116 979019569 1958039138 3293065823 3916078276 6586131646 13172263292 36223724053 72447448106 144894896212