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1253050350442 = 21183686226917
BaseRepresentation
bin10010001110111111100…
…111101111101101101010
311102210100020022010202121
4102032333213233231222
5131012221342203232
62355350545421454
7156346520145532
oct22167747575552
94383306263677
101253050350442
1144346328a620
12182a2403a88a
13912152baa07
144491000a4c2
15228dc26cd97
hex123bf9efb6a

1253050350442 has 16 divisors (see below), whose sum is σ = 2075150200032. Its totient is φ = 562706071120.

The previous prime is 1253050350427. The next prime is 1253050350521. The reversal of 1253050350442 is 2440530503521.

It is a junction number, because it is equal to n+sod(n) for n = 1253050350398 and 1253050350407.

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, 343111633 + ... + 343115284.

It is an arithmetic number, because the mean of its divisors is an integer number (129696887502).

Almost surely, 21253050350442 is an apocalyptic number.

1253050350442 is a deficient number, since it is larger than the sum of its proper divisors (822099849590).

1253050350442 is a wasteful number, since it uses less digits than its factorization.

1253050350442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686227013.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 1253050350442 its reverse (2440530503521), we get a palindrome (3693580853963).

The spelling of 1253050350442 in words is "one trillion, two hundred fifty-three billion, fifty million, three hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 11 22 83 166 913 1826 686226917 1372453834 7548496087 15096992174 56956834111 113913668222 626525175221 1253050350442