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103131440342 = 2783179495829
BaseRepresentation
bin110000000001100011…
…1001110010011010110
3100212012101222222211122
41200003013032103112
53142203122042332
6115213344403542
710310456531120
oct1400307162326
9325171888748
10103131440342
113a813011627
1217ba26165b2
1399574c5218
144dc4cc0210
152a390e3c12
hex18031ce4d6

103131440342 has 32 divisors (see below), whose sum is σ = 179926790400. Its totient is φ = 43422632928.

The previous prime is 103131440323. The next prime is 103131440351. The reversal of 103131440342 is 243044131301.

It is a happy number.

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, 39917 + ... + 455912.

It is an arithmetic number, because the mean of its divisors is an integer number (5622712200).

Almost surely, 2103131440342 is an apocalyptic number.

103131440342 is a deficient number, since it is larger than the sum of its proper divisors (76795350058).

103131440342 is a wasteful number, since it uses less digits than its factorization.

103131440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496100.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 103131440342 its reverse (243044131301), we get a palindrome (346175571643).

The spelling of 103131440342 in words is "one hundred three billion, one hundred thirty-one million, four hundred forty thousand, three hundred forty-two".

Divisors: 1 2 7 14 83 166 179 358 581 1162 1253 2506 14857 29714 103999 207998 495829 991658 3470803 6941606 41153807 82307614 88753391 177506782 288076649 576153298 621273737 1242547474 7366531453 14733062906 51565720171 103131440342