Search a number
-
+
20013657311514 = 2313923997191021
BaseRepresentation
bin1001000110011110010101…
…11011110100100100011010
32121212021202012002211000010
410203033022323310210122
510110400432232432024
6110322051445422350
74133640041164416
oct443171273644432
977767665084003
1020013657311514
116416820885349
1222b294540a9b6
13b223838c9659
144d294800bd46
1524a903d76b29
hex1233caef491a

20013657311514 has 16 divisors (see below), whose sum is σ = 40315280916960. Its totient is φ = 6623224721520.

The previous prime is 20013657311507. The next prime is 20013657311521. The reversal of 20013657311514 is 41511375631002.

It is an interprime number because it is at equal distance from previous prime (20013657311507) and next prime (20013657311521).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11998594677 + ... + 11998596344.

It is an arithmetic number, because the mean of its divisors is an integer number (2519705057310).

Almost surely, 220013657311514 is an apocalyptic number.

20013657311514 is an abundant number, since it is smaller than the sum of its proper divisors (20301623605446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013657311514 is a wasteful number, since it uses less digits than its factorization.

20013657311514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23997191165.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 20013657311514 in words is "twenty trillion, thirteen billion, six hundred fifty-seven million, three hundred eleven thousand, five hundred fourteen".

Divisors: 1 2 3 6 139 278 417 834 23997191021 47994382042 71991573063 143983146126 3335609551919 6671219103838 10006828655757 20013657311514