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245040230252152 = 23431019699044407
BaseRepresentation
bin110111101101110011011111…
…111000010011111001111000
31012010121121122221222202101001
4313231303133320103321320
5224104214342421032102
62225053532220134344
7102420400223550406
oct6755633770237170
91163547587882331
10245040230252152
1171093a83878855
12235965313973b4
13a69626b5ba11a
14447202086c476
151d4e0d32e7487
hexdedcdfe13e78

245040230252152 has 32 divisors (see below), whose sum is σ = 470596695465600. Its totient is φ = 119553370491744.

The previous prime is 245040230252149. The next prime is 245040230252203. The reversal of 245040230252152 is 251252032040542.

It is a super-2 number, since 2×2450402302521522 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349171668 + ... + 349872739.

It is an arithmetic number, because the mean of its divisors is an integer number (14706146733300).

Almost surely, 2245040230252152 is an apocalyptic number.

It is an amenable number.

245040230252152 is a deficient number, since it is larger than the sum of its proper divisors (225556465213448).

245040230252152 is a wasteful number, since it uses less digits than its factorization.

245040230252152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699045475 (or 699045471 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 245040230252152 its reverse (251252032040542), we get a palindrome (496292262292694).

The spelling of 245040230252152 in words is "two hundred forty-five trillion, forty billion, two hundred thirty million, two hundred fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 43 86 172 344 1019 2038 4076 8152 43817 87634 175268 350536 699044407 1398088814 2796177628 5592355256 30058909501 60117819002 120235638004 240471276008 712326250733 1424652501466 2849305002932 5698610005864 30630028781519 61260057563038 122520115126076 245040230252152