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20000000174 = 2711129870131
BaseRepresentation
bin10010101000000101…
…111100100010101110
31220121211112021111012
4102220011330202232
5311430000001144
613104325225222
71305422124260
oct225005744256
956554467435
1020000000174
11853352a170
123a61b62212
131b696a7a3b
14d7a2c5b30
157c0c6ae9e
hex4a817c8ae

20000000174 has 16 divisors (see below), whose sum is σ = 37402598016. Its totient is φ = 7792207800.

The previous prime is 20000000117. The next prime is 20000000179. The reversal of 20000000174 is 47100000002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000000179) 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, 64934912 + ... + 64935219.

It is an arithmetic number, because the mean of its divisors is an integer number (2337662376).

Almost surely, 220000000174 is an apocalyptic number.

20000000174 is a deficient number, since it is larger than the sum of its proper divisors (17402597842).

20000000174 is a wasteful number, since it uses less digits than its factorization.

20000000174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129870151.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 20000000174 its reverse (47100000002), we get a palindrome (67100000176).

The spelling of 20000000174 in words is "twenty billion, one hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 7 11 14 22 77 154 129870131 259740262 909090917 1428571441 1818181834 2857142882 10000000087 20000000174