Search a number
-
+
23131220303102 = 211565610151551
BaseRepresentation
bin1010100001001101010000…
…01010110101110011111110
310000220022201111212211212212
411100212220022311303332
511012440214344144402
6121110200320100422
74605114126322232
oct520465012656376
9100808644784785
1023131220303102
1174089939166aa
122716b9aa64712
13cba35976acb2
1459d7b27165c2
152a1a69639952
hex1509a82b5cfe

23131220303102 has 4 divisors (see below), whose sum is σ = 34696830454656. Its totient is φ = 11565610151550.

The previous prime is 23131220303083. The next prime is 23131220303143. The reversal of 23131220303102 is 20130302213132.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5782805075774 + ... + 5782805075777.

It is an arithmetic number, because the mean of its divisors is an integer number (8674207613664).

Almost surely, 223131220303102 is an apocalyptic number.

23131220303102 is a deficient number, since it is larger than the sum of its proper divisors (11565610151554).

23131220303102 is a wasteful number, since it uses less digits than its factorization.

23131220303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565610151553.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23131220303102 its reverse (20130302213132), we get a palindrome (43261522516234).

The spelling of 23131220303102 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred two".

Divisors: 1 2 11565610151551 23131220303102