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102144344042 = 21317463499127
BaseRepresentation
bin101111100100001000…
…1101111111111101010
3100202122121121022021102
41133020101233333222
53133142423002132
6114531403441402
710244142412256
oct1371021577752
9322577538242
10102144344042
113a356901564
1217967b26262
13982ab55480
144d2db71266
1529cc610c62
hex17c846ffea

102144344042 has 32 divisors (see below), whose sum is σ = 175086116352. Its totient is φ = 44274472704.

The previous prime is 102144344021. The next prime is 102144344053. The reversal of 102144344042 is 240443441201.

It is a junction number, because it is equal to n+sod(n) for n = 102144343996 and 102144344014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44918 + ... + 454209.

It is an arithmetic number, because the mean of its divisors is an integer number (5471441136).

Almost surely, 2102144344042 is an apocalyptic number.

102144344042 is a deficient number, since it is larger than the sum of its proper divisors (72941772310).

102144344042 is a wasteful number, since it uses less digits than its factorization.

102144344042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499622.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102144344042 its reverse (240443441201), we get a palindrome (342587785243).

The spelling of 102144344042 in words is "one hundred two billion, one hundred forty-four million, three hundred forty-four thousand, forty-two".

Divisors: 1 2 13 17 26 34 221 442 463 926 6019 7871 12038 15742 102323 204646 499127 998254 6488651 8485159 12977302 16970318 110307067 220614134 231095801 462191602 3004245413 3928628617 6008490826 7857257234 51072172021 102144344042