Search a number
-
+
1210131400144 = 24139557976883
BaseRepresentation
bin10001100111000001011…
…100111100010111010000
311021200120010201120012211
4101213001130330113100
5124311322114301034
62323532055401504
7153300120116542
oct21470134742720
94250503646184
101210131400144
11427239699a67
12176646683294
138a165591034
14427dbcd3692
15217293a1d64
hex119c173c5d0

1210131400144 has 40 divisors (see below), whose sum is σ = 2365739520480. Its totient is φ = 599633616768.

The previous prime is 1210131400067. The next prime is 1210131400147. The reversal of 1210131400144 is 4410041310121.

It is a super-2 number, since 2×12101314001442 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210131400147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750327 + ... + 1727209.

It is an arithmetic number, because the mean of its divisors is an integer number (59143488012).

Almost surely, 21210131400144 is an apocalyptic number.

It is an amenable number.

1210131400144 is a deficient number, since it is larger than the sum of its proper divisors (1155608120336).

1210131400144 is a wasteful number, since it uses less digits than its factorization.

1210131400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977587 (or 977581 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1210131400144 its reverse (4410041310121), we get a palindrome (5620172710265).

The spelling of 1210131400144 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, four hundred thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 139 278 556 557 1112 1114 2224 2228 4456 8912 77423 154846 309692 619384 976883 1238768 1953766 3907532 7815064 15630128 135786737 271573474 543146948 544123831 1086293896 1088247662 2172587792 2176495324 4352990648 8705981296 75633212509 151266425018 302532850036 605065700072 1210131400144