Search a number
-
+
20120023112010 = 235907739434881
BaseRepresentation
bin1001001001100100011101…
…10101001001100101001010
32122020110022000010022212120
410210302032311021211022
510114121301404041020
6110443002213552110
74144423633444143
oct444621665114512
978213260108776
1020120023112010
116457943578598
12230b48b045636
13b2c405200b43
144d7b5869caca
1524d57bda4740
hex124c8ed4994a

20120023112010 has 32 divisors (see below), whose sum is σ = 48341294845632. Its totient is φ = 5359424010240.

The previous prime is 20120023111973. The next prime is 20120023112023. The reversal of 20120023112010 is 1021132002102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369690231 + ... + 369744650.

It is an arithmetic number, because the mean of its divisors is an integer number (1510665463926).

Almost surely, 220120023112010 is an apocalyptic number.

20120023112010 is an abundant number, since it is smaller than the sum of its proper divisors (28221271733622).

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

20120023112010 is a wasteful number, since it uses less digits than its factorization.

20120023112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739435798.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20120023112010 its reverse (1021132002102), we get a palindrome (21141155114112).

The spelling of 20120023112010 in words is "twenty trillion, one hundred twenty billion, twenty-three million, one hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 907 1814 2721 4535 5442 9070 13605 27210 739434881 1478869762 2218304643 3697174405 4436609286 7394348810 11091523215 22183046430 670667437067 1341334874134 2012002311201 3353337185335 4024004622402 6706674370670 10060011556005 20120023112010