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1242120024242 = 21937883442407
BaseRepresentation
bin10010000100110100000…
…111110111000010110010
311101202010110222001000022
4102010310013313002302
5130322330211233432
62350342210523442
7155511615000356
oct22046407670262
94352113861008
101242120024242
1143986440a789
12180893596582
1390192949586
14441944b5466
152249c892b12
hex121341f70b2

1242120024242 has 16 divisors (see below), whose sum is σ = 2014248690240. Its totient is φ = 572470679088.

The previous prime is 1242120024239. The next prime is 1242120024283. The reversal of 1242120024242 is 2424200212421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441719798 + ... + 441722609.

It is an arithmetic number, because the mean of its divisors is an integer number (125890543140).

Almost surely, 21242120024242 is an apocalyptic number.

1242120024242 is a deficient number, since it is larger than the sum of its proper divisors (772128665998).

1242120024242 is a wasteful number, since it uses less digits than its factorization.

1242120024242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883442465.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1242120024242 its reverse (2424200212421), we get a palindrome (3666320236663).

The spelling of 1242120024242 in words is "one trillion, two hundred forty-two billion, one hundred twenty million, twenty-four thousand, two hundred forty-two".

Divisors: 1 2 19 37 38 74 703 1406 883442407 1766884814 16785405733 32687369059 33570811466 65374738118 621060012121 1242120024242