Search a number
-
+
1020212331004 = 2210911320707403
BaseRepresentation
bin11101101100010010110…
…01001100000111111100
310121112100100111020010001
432312021121030013330
5113203343324043004
62100402402524044
7133464545505526
oct16661131140774
93545310436101
101020212331004
1136374029a389
12145883066624
1375289957309
1437542a00a16
151b810e751a4
hexed8964c1fc

1020212331004 has 24 divisors (see below), whose sum is σ = 1817695923120. Its totient is φ = 500953469184.

The previous prime is 1020212331001. The next prime is 1020212331013. The reversal of 1020212331004 is 4001332120201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212331001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10304434 + ... + 10402969.

It is an arithmetic number, because the mean of its divisors is an integer number (75737330130).

Almost surely, 21020212331004 is an apocalyptic number.

It is an amenable number.

1020212331004 is a deficient number, since it is larger than the sum of its proper divisors (797483592116).

1020212331004 is a wasteful number, since it uses less digits than its factorization.

1020212331004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20707629 (or 20707627 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1020212331004 its reverse (4001332120201), we get a palindrome (5021544451205).

The spelling of 1020212331004 in words is "one trillion, twenty billion, two hundred twelve million, three hundred thirty-one thousand, four".

Divisors: 1 2 4 109 113 218 226 436 452 12317 24634 49268 20707403 41414806 82829612 2257106927 2339936539 4514213854 4679873078 9028427708 9359746156 255053082751 510106165502 1020212331004