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40002104386 = 220001052193
BaseRepresentation
bin100101010000010011…
…111010110001000010
310211020211000110011201
4211100103322301002
51123411014320021
630213211531414
72614201164016
oct452023726102
9124224013151
1040002104386
1115a68166102
127904759b6a
133a0663b36a
141d16998546
151091ca0591
hex9504fac42

40002104386 has 4 divisors (see below), whose sum is σ = 60003156582. Its totient is φ = 20001052192.

The previous prime is 40002104381. The next prime is 40002104393. The reversal of 40002104386 is 68340120004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39483677025 + 518427361 = 198705^2 + 22769^2 .

It is not an unprimeable number, because it can be changed into a prime (40002104381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000526095 + ... + 10000526098.

Almost surely, 240002104386 is an apocalyptic number.

40002104386 is a deficient number, since it is larger than the sum of its proper divisors (20001052196).

40002104386 is a wasteful number, since it uses less digits than its factorization.

40002104386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001052195.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 40002104386 in words is "forty billion, two million, one hundred four thousand, three hundred eighty-six".

Divisors: 1 2 20001052193 40002104386