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4570378157969 = 13509690702457
BaseRepresentation
bin100001010000001111111…
…0001000011111110010001
3121011220221111211021020222
41002200133301003332101
51044340113302023334
613415334105242425
7651125142233501
oct102403761037621
917156844737228
104570378157969
111502317358888
1261992a493415
13271ca5825760
1411b2c9495a01
157dd454ead2e
hex4281fc43f91

4570378157969 has 8 divisors (see below), whose sum is σ = 4931615550120. Its totient is φ = 4210522171776.

The previous prime is 4570378157879. The next prime is 4570378157971. The reversal of 4570378157969 is 9697518730754.

It can be written as a sum of positive squares in 4 ways, for example, as 224237290369 + 4346140867600 = 473537^2 + 2084740^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4570378157969 - 232 = 4566083190673 is a prime.

It is a super-2 number, since 2×45703781579692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4570378157999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345344612 + ... + 345357845.

It is an arithmetic number, because the mean of its divisors is an integer number (616451943765).

Almost surely, 24570378157969 is an apocalyptic number.

It is an amenable number.

4570378157969 is a deficient number, since it is larger than the sum of its proper divisors (361237392151).

4570378157969 is a wasteful number, since it uses less digits than its factorization.

4570378157969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690702979.

The product of its (nonzero) digits is 400075200, while the sum is 71.

The spelling of 4570378157969 in words is "four trillion, five hundred seventy billion, three hundred seventy-eight million, one hundred fifty-seven thousand, nine hundred sixty-nine".

Divisors: 1 13 509 6617 690702457 8979131941 351567550613 4570378157969