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1000031401420 = 225471117952429
BaseRepresentation
bin11101000110101101000…
…01000011010111001100
310112121020220111210010121
432203112201003113030
5112341031014321140
62043224051314324
7132151465442242
oct16432641032714
93477226453117
101000031401420
11356124723287
121419905ab9a4
13733c194166c
143658a69c792
151b02e3ba64a
hexe8d68435cc

1000031401420 has 48 divisors (see below), whose sum is σ = 2146670547840. Its totient is φ = 391150750464.

The previous prime is 1000031401363. The next prime is 1000031401423. The reversal of 1000031401420 is 241041300001.

It is a junction number, because it is equal to n+sod(n) for n = 1000031401394 and 1000031401403.

It is not an unprimeable number, because it can be changed into a prime (1000031401423) 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 15 ways as a sum of consecutive naturals, for example, 573766 + ... + 1526194.

It is an arithmetic number, because the mean of its divisors is an integer number (44722303080).

Almost surely, 21000031401420 is an apocalyptic number.

1000031401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000031401420 is an abundant number, since it is smaller than the sum of its proper divisors (1146639146420).

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

1000031401420 is a wasteful number, since it uses less digits than its factorization.

1000031401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953602 (or 953600 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1000031401420 its reverse (241041300001), we get a palindrome (1241072701421).

The spelling of 1000031401420 in words is "one trillion, thirty-one million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1117 2234 4468 5585 11170 22340 52499 104998 209996 262495 524990 952429 1049980 1904858 3809716 4762145 9524290 19048580 44764163 89528326 179056652 223820815 447641630 895283260 1063863193 2127726386 4255452772 5319315965 10638631930 21277263860 50001570071 100003140142 200006280284 250007850355 500015700710 1000031401420