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144913192787 = 114710115531787
BaseRepresentation
bin1000011011110101111…
…1111101011101010011
3111212001020201221012102
42012331133331131103
54333240234132122
6150323332351015
713320040546346
oct2067537753523
9455036657172
10144913192787
11565037a0650
122410317546b
1310885748c6c
147029d7445d
153b8222c492
hex21bd7fd753

144913192787 has 32 divisors (see below), whose sum is σ = 163245487104. Its totient is φ = 127506112000.

The previous prime is 144913192783. The next prime is 144913192789. The reversal of 144913192787 is 787291319441.

It is not a de Polignac number, because 144913192787 - 22 = 144913192783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144913192783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81092108 + ... + 81093894.

It is an arithmetic number, because the mean of its divisors is an integer number (5101421472).

Almost surely, 2144913192787 is an apocalyptic number.

144913192787 is a deficient number, since it is larger than the sum of its proper divisors (18332294317).

144913192787 is a wasteful number, since it uses less digits than its factorization.

144913192787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its digits is 3048192, while the sum is 56.

The spelling of 144913192787 in words is "one hundred forty-four billion, nine hundred thirteen million, one hundred ninety-two thousand, seven hundred eighty-seven".

Divisors: 1 11 47 101 517 1111 1553 1787 4747 17083 19657 52217 72991 83989 156853 180487 802901 923879 1725383 1985357 2775211 7372091 8482889 30527321 81093001 93311779 130434917 280296311 1434784087 3083259421 13173926617 144913192787