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64377144027573 = 3132383665949787
BaseRepresentation
bin11101010001100111110001…
…10011010010100110110101
322102221101122212002212222220
432220303320303102212311
531414223342332340243
6344530241321512553
716363044433326456
oct1650637063224665
9272841585085886
1064377144027573
1119570214549763
12727887b342759
1329bc97aa13700
1411c7c2851d12d
157698e5ae6783
hex3a8cf8cd29b5

64377144027573 has 48 divisors (see below), whose sum is σ = 93205430231040. Its totient is φ = 39506538806592.

The previous prime is 64377144027457. The next prime is 64377144027593. The reversal of 64377144027573 is 37572044177346.

It is not a de Polignac number, because 64377144027573 - 224 = 64377127250357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64377144027593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1293026386 + ... + 1293076172.

It is an arithmetic number, because the mean of its divisors is an integer number (1941779796480).

Almost surely, 264377144027573 is an apocalyptic number.

It is an amenable number.

64377144027573 is a deficient number, since it is larger than the sum of its proper divisors (28828286203467).

64377144027573 is a wasteful number, since it uses less digits than its factorization.

64377144027573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56858 (or 56845 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 60.

The spelling of 64377144027573 in words is "sixty-four trillion, three hundred seventy-seven billion, one hundred forty-four million, twenty-seven thousand, five hundred seventy-three".

Divisors: 1 3 13 39 169 383 507 1149 4979 6659 14937 19977 49787 64727 86567 149361 194181 259701 647231 1125371 1941693 2550397 3376113 7651191 8414003 19068421 25242009 33155161 57205263 99465483 247889473 331531633 431017093 743668419 994594899 1293051279 3222563149 4309911229 9667689447 12929733687 56028845977 126976615439 168086537931 380929846317 1650696000707 4952088002121 21459048009191 64377144027573