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49270494138 = 231910928314011
BaseRepresentation
bin101101111000110000…
…000001001110111010
311201011202010102201020
4231320300001032322
51301401221303023
634345021403310
73362653201335
oct557060011672
9151152112636
1049270494138
1119993a00548
129670709536
13485289c558
1425558b561c
1514357e4de3
hexb78c013ba

49270494138 has 64 divisors (see below), whose sum is σ = 105056371200. Its totient is φ = 15360788160.

The previous prime is 49270494127. The next prime is 49270494151. The reversal of 49270494138 is 83149407294.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3509553 + ... + 3523563.

It is an arithmetic number, because the mean of its divisors is an integer number (1641505800).

Almost surely, 249270494138 is an apocalyptic number.

49270494138 is an abundant number, since it is smaller than the sum of its proper divisors (55785877062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49270494138 is a wasteful number, since it uses less digits than its factorization.

49270494138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 49270494138 in words is "forty-nine billion, two hundred seventy million, four hundred ninety-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 109 114 218 283 327 566 654 849 1698 2071 4142 5377 6213 10754 12426 14011 16131 28022 30847 32262 42033 61694 84066 92541 185082 266209 532418 586093 798627 1172186 1527199 1597254 1758279 3054398 3516558 3965113 4581597 7930226 9163194 11895339 23790678 29016781 58033562 75337147 87050343 150674294 174100686 226011441 432197317 452022882 864394634 1296591951 2593183902 8211749023 16423498046 24635247069 49270494138