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9146769641 = 172413496397
BaseRepresentation
bin10001000010011000…
…01010000011101001
3212121110021001002222
420201030022003221
5122213033112031
64111343003425
7442444154612
oct104114120351
925543231088
109146769641
113974127459
121933299575
13b29cbaa39
1462aadcc09
1538801de7b
hex22130a0e9

9146769641 has 16 divisors (see below), whose sum is σ = 9754390800. Its totient is φ = 8547102720.

The previous prime is 9146769617. The next prime is 9146769649. The reversal of 9146769641 is 1469676419.

It can be written as a sum of positive squares in 8 ways, for example, as 25755625 + 9121014016 = 5075^2 + 95504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9146769641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9146769649) 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, 1426655 + ... + 1433051.

It is an arithmetic number, because the mean of its divisors is an integer number (609649425).

Almost surely, 29146769641 is an apocalyptic number.

It is an amenable number.

9146769641 is a deficient number, since it is larger than the sum of its proper divisors (607621159).

9146769641 is a wasteful number, since it uses less digits than its factorization.

9146769641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004.

The product of its digits is 1959552, while the sum is 53.

The square root of 9146769641 is about 95638.7455009736. The cubic root of 9146769641 is about 2091.3300631541.

The spelling of 9146769641 in words is "nine billion, one hundred forty-six million, seven hundred sixty-nine thousand, six hundred forty-one".

Divisors: 1 17 241 349 4097 5933 6397 84109 108749 1429853 1541677 2232553 26208509 37953401 538045273 9146769641