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1004430121231 = 10631907495491
BaseRepresentation
bin11101001110111001011…
…00110101100100001111
310120000121110110220100011
432213130230311210033
5112424033102334411
62045232343214051
7132365500106245
oct16473454654417
93500543426304
101004430121231
11357a81688609
121427b9747327
1373943046a54
1436886962795
151b1da64ec21
hexe9dcb3590f

1004430121231 has 8 divisors (see below), whose sum is σ = 1005904255104. Its totient is φ = 1002956984280.

The previous prime is 1004430121223. The next prime is 1004430121271. The reversal of 1004430121231 is 1321210344001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004430121231 - 23 = 1004430121223 is a prime.

It is a super-2 number, since 2×10044301212312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004430121271) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1779396 + ... + 2274886.

It is an arithmetic number, because the mean of its divisors is an integer number (125738031888).

Almost surely, 21004430121231 is an apocalyptic number.

1004430121231 is a deficient number, since it is larger than the sum of its proper divisors (1474133873).

1004430121231 is a wasteful number, since it uses less digits than its factorization.

1004430121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498461.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1004430121231 its reverse (1321210344001), we get a palindrome (2325640465232).

The spelling of 1004430121231 in words is "one trillion, four billion, four hundred thirty million, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 1063 1907 495491 2027141 526706933 944901337 1004430121231