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20010146097 = 36670048699
BaseRepresentation
bin10010101000101100…
…101001100100110001
31220122112121202002010
4102220230221210301
5311440044133342
613105330513133
71305604302234
oct225054514461
956575552063
1020010146097
118539229a27
123a654357a9
131b6b81ab46
14d7b7a741b
157c1ac229c
hex4a8b29931

20010146097 has 4 divisors (see below), whose sum is σ = 26680194800. Its totient is φ = 13340097396.

The previous prime is 20010146059. The next prime is 20010146137. The reversal of 20010146097 is 79064101002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20010146097 - 215 = 20010113329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010106097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335024347 + ... + 3335024352.

It is an arithmetic number, because the mean of its divisors is an integer number (6670048700).

Almost surely, 220010146097 is an apocalyptic number.

It is an amenable number.

20010146097 is a deficient number, since it is larger than the sum of its proper divisors (6670048703).

20010146097 is an equidigital number, since it uses as much as digits as its factorization.

20010146097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670048702.

The product of its (nonzero) digits is 3024, while the sum is 30.

Adding to 20010146097 its reverse (79064101002), we get a palindrome (99074247099).

The spelling of 20010146097 in words is "twenty billion, ten million, one hundred forty-six thousand, ninety-seven".

Divisors: 1 3 6670048699 20010146097