Search a number
-
+
20310453064522 = 237703938992127
BaseRepresentation
bin1001001111000111001010…
…10101110001001101001010
32122220122211101200020012201
410213203211111301031022
510130231301441031042
6111110254320430414
74164244650361105
oct447434525611512
978818741606181
1020310453064522
116520684298435
12234037577840a
13b4436293060a
1450306177b73c
152534c50991b7
hex1278e557134a

20310453064522 has 16 divisors (see below), whose sum is σ = 31293522247680. Its totient is φ = 9879356980368.

The previous prime is 20310453064483. The next prime is 20310453064543. The reversal of 20310453064522 is 22546035401302.

It is a super-2 number, since 2×203104530645222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18975178 + ... + 20016949.

It is an arithmetic number, because the mean of its divisors is an integer number (1955845140480).

Almost surely, 220310453064522 is an apocalyptic number.

20310453064522 is a deficient number, since it is larger than the sum of its proper divisors (10983069183158).

20310453064522 is a wasteful number, since it uses less digits than its factorization.

20310453064522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38999205.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 20310453064522 its reverse (22546035401302), we get a palindrome (42856488465824).

The spelling of 20310453064522 in words is "twenty trillion, three hundred ten billion, four hundred fifty-three million, sixty-four thousand, five hundred twenty-two".

Divisors: 1 2 37 74 7039 14078 260443 520886 38992127 77984254 1442708699 2885417398 274465581953 548931163906 10155226532261 20310453064522