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745445466264457 = 79191079910730471
BaseRepresentation
bin1010100101111110101000110…
…0001101110101001110001001
310121202101220001020121202101001
42221133222030031311032021
51240201334303330430312
611201232530344055001
7313005441401150320
oct25137521415651611
93552356036552331
10745445466264457
111a6581712a8a512
126b7343aa464461
1325cc428a30377a
14d211a786270b7
155b2ab32115057
hex2a5fa8c375389

745445466264457 has 16 divisors (see below), whose sum is σ = 852943758336000. Its totient is φ = 638198823750480.

The previous prime is 745445466264451. The next prime is 745445466264467. The reversal of 745445466264457 is 754462664544547.

It is a cyclic number.

It is not a de Polignac number, because 745445466264457 - 27 = 745445466264329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745445466264457.

It is not an unprimeable number, because it can be changed into a prime (745445466264451) 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, 64104732 + ... + 74835202.

It is an arithmetic number, because the mean of its divisors is an integer number (53308984896000).

Almost surely, 2745445466264457 is an apocalyptic number.

It is an amenable number.

745445466264457 is a deficient number, since it is larger than the sum of its proper divisors (107498292071543).

745445466264457 is a wasteful number, since it uses less digits than its factorization.

745445466264457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742196.

The product of its digits is 10838016000, while the sum is 73.

The spelling of 745445466264457 in words is "seven hundred forty-five trillion, four hundred forty-five billion, four hundred sixty-six million, two hundred sixty-four thousand, four hundred fifty-seven".

Divisors: 1 7 919 6433 10799 75593 9924281 10730471 69469967 75113297 9861302849 69029119943 115878356329 811148494303 106492209466351 745445466264457