Search a number
-
+
20055211255002 = 2371123946322561
BaseRepresentation
bin1001000111101011101111…
…01111100010010011011010
32122000021000011011212020010
410203311313233202103122
510112041033040130002
6110353123054542350
74136640554653620
oct443656757422332
978007004155203
1020055211255002
116432404a08100
1222baa018079b6
13b262768aa4b1
144d496ab21510
1524ba36eb146c
hex123d77be24da

20055211255002 has 48 divisors (see below), whose sum is σ = 50386646471616. Its totient is φ = 5209145779200.

The previous prime is 20055211254983. The next prime is 20055211255003.

20055211255002 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×200552112550022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20055211255003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973156199 + ... + 1973166362.

It is an arithmetic number, because the mean of its divisors is an integer number (1049721801492).

Almost surely, 220055211255002 is an apocalyptic number.

20055211255002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20055211255002 is an abundant number, since it is smaller than the sum of its proper divisors (30331435216614).

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

20055211255002 is a wasteful number, since it uses less digits than its factorization.

20055211255002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946322595 (or 3946322584 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 20055211255002 in words is "twenty trillion, fifty-five billion, two hundred eleven million, two hundred fifty-five thousand, two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 121 154 231 242 363 462 726 847 1694 2541 5082 3946322561 7892645122 11838967683 23677935366 27624257927 43409548171 55248515854 82872773781 86819096342 130228644513 165745547562 260457289026 303866837197 477505029881 607733674394 911600511591 955010059762 1432515089643 1823201023182 2865030179286 3342535209167 6685070418334 10027605627501 20055211255002