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23972741671968 = 253428927319727
BaseRepresentation
bin1010111001101100101101…
…10000000110110000100000
310010212202211120210200010000
411130312112300012300200
511120232133332000333
6122552531523340000
75022654613042635
oct534662660066040
9103782746720100
1023972741671968
117702867784381
1228320b2821600
13104b809a3168b
145cc40331218c
152b88bcc7e713
hex15cd96c06c20

23972741671968 has 120 divisors (see below), whose sum is σ = 70505825144832. Its totient is φ = 7990612654464.

The previous prime is 23972741671903. The next prime is 23972741671993. The reversal of 23972741671968 is 86917614727932.

23972741671968 is a `hidden beast` number, since 2 + 3 + 9 + 7 + 274 + 167 + 196 + 8 = 666.

It is a super-2 number, since 2×239727416719682 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 23972741671896 and 23972741671905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74818921 + ... + 75138647.

Almost surely, 223972741671968 is an apocalyptic number.

It is an amenable number.

23972741671968 is an abundant number, since it is smaller than the sum of its proper divisors (46533083472864).

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

23972741671968 is a wasteful number, since it uses less digits than its factorization.

23972741671968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348676 (or 348659 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 72.

The spelling of 23972741671968 in words is "twenty-three trillion, nine hundred seventy-two billion, seven hundred forty-one million, six hundred seventy-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 28927 57854 86781 115708 173562 231416 260343 319727 347124 462832 520686 639454 694248 781029 925664 959181 1041372 1278908 1388496 1562058 1918362 2082744 2343087 2557816 2776992 2877543 3124116 3836724 4165488 4686174 5115632 5755086 6248232 7673448 8330976 8632629 9372348 10231264 11510172 12496464 15346896 17265258 18744696 23020344 24992928 25897887 30693792 34530516 37489392 46040688 51795774 69061032 74978784 92081376 103591548 138122064 207183096 276244128 414366192 828732384 9248742929 18497485858 27746228787 36994971716 55492457574 73989943432 83238686361 110984915148 147979886864 166477372722 221969830296 249716059083 295959773728 332954745444 443939660592 499432118166 665909490888 749148177249 887879321184 998864236332 1331818981776 1498296354498 1997728472664 2663637963552 2996592708996 3995456945328 5993185417992 7990913890656 11986370835984 23972741671968