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64552845375458 = 21137130360862049
BaseRepresentation
bin11101010110101111000010…
…11010101111011111100010
322110120012011210012011002222
432223113201122233133202
531430113211404003313
6345143100123311042
716411534454206226
oct1653274132573742
9273505153164088
1064552845375458
1119628787363990
1272a693537b482
132a033cbbbb10b
1411d2535462786
1576e27ac35208
hex3ab5e16af7e2

64552845375458 has 32 divisors (see below), whose sum is σ = 108570106857600. Its totient is φ = 28527259138560.

The previous prime is 64552845375457. The next prime is 64552845375479. The reversal of 64552845375458 is 85457354825546.

It is a junction number, because it is equal to n+sod(n) for n = 64552845375391 and 64552845375400.

It is not an unprimeable number, because it can be changed into a prime (64552845375457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29370383 + ... + 31491666.

It is an arithmetic number, because the mean of its divisors is an integer number (3392815839300).

Almost surely, 264552845375458 is an apocalyptic number.

64552845375458 is a deficient number, since it is larger than the sum of its proper divisors (44017261482142).

64552845375458 is a wasteful number, since it uses less digits than its factorization.

64552845375458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60863402.

The product of its digits is 3225600000, while the sum is 71.

The spelling of 64552845375458 in words is "sixty-four trillion, five hundred fifty-two billion, eight hundred forty-five million, three hundred seventy-five thousand, four hundred fifty-eight".

Divisors: 1 2 11 22 37 74 407 814 1303 2606 14333 28666 48211 96422 530321 1060642 60862049 121724098 669482539 1338965078 2251895813 4503791626 24770853943 49541707886 79303249847 158606499694 872335748317 1744671496634 2934220244339 5868440488678 32276422687729 64552845375458