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2147118320258 = 219223223712
BaseRepresentation
bin11111001111101010001…
…110011000101010000010
321121021002100220212101022
4133033222032120222002
5240134244242222013
64322212245105442
7311060410410452
oct37175216305202
97537070825338
102147118320258
1175865135332a
122a81616b8282
1312761aab8792
1475cc7637d62
153acb8adb008
hex1f3ea398a82

2147118320258 has 54 divisors (see below), whose sum is σ = 3554820513027. Its totient is φ = 972425912040.

The previous prime is 2147118320257. The next prime is 2147118320297. The reversal of 2147118320258 is 8520238117412.

It can be written as a sum of positive squares in only one way, i.e., 1073559160129 + 1073559160129 = 1036127^2 + 1036127^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1036127.

It is a super-2 number, since 2×21471183202582 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147118320257) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 905573813 + ... + 905576183.

Almost surely, 22147118320258 is an apocalyptic number.

2147118320258 is a deficient number, since it is larger than the sum of its proper divisors (1407702192769).

2147118320258 is an frugal number, since it uses more digits than its factorization.

2147118320258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 2147118320258 in words is "two trillion, one hundred forty-seven billion, one hundred eighteen million, three hundred twenty thousand, two hundred fifty-eight".

Divisors: 1 2 19 23 38 46 361 437 529 722 874 1058 2371 4742 8303 10051 16606 20102 45049 54533 90098 109066 190969 381938 855931 1036127 1254259 1711862 2072254 2508518 5621641 11243282 19686413 23830921 39372826 47661842 106811179 129297743 213622358 258595486 452787499 905574998 2029412401 2456657117 2973848089 4058824802 4913314234 5947696178 46676485223 56503113691 93352970446 113006227382 1073559160129 2147118320258