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1020305423425 = 523153163152393
BaseRepresentation
bin11101101100011101111…
…00010011110001000001
310121112120211122210220111
432312032330103301001
5113204041142022200
62100415530111321
7133500056001151
oct16661674236101
93545524583814
101020305423425
113637888a3072
121458aa27b541
13752a301c9a2
1437551114761
151b8192130ba
hexed8ef13c41

1020305423425 has 48 divisors (see below), whose sum is σ = 1338804453888. Its totient is φ = 770250124800.

The previous prime is 1020305423419. The next prime is 1020305423443. The reversal of 1020305423425 is 5243245030201.

It is not a de Polignac number, because 1020305423425 - 229 = 1019768552513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6619029 + ... + 6771421.

It is an arithmetic number, because the mean of its divisors is an integer number (27891759456).

Almost surely, 21020305423425 is an apocalyptic number.

It is an amenable number.

1020305423425 is a deficient number, since it is larger than the sum of its proper divisors (318499030463).

1020305423425 is a wasteful number, since it uses less digits than its factorization.

1020305423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152650 (or 152645 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 1020305423425 in words is "one trillion, twenty billion, three hundred five million, four hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 31 53 155 163 265 775 815 1325 1643 4075 5053 8215 8639 25265 41075 43195 126325 152393 215975 267809 761965 1339045 3809825 4724183 6695225 8076829 23620915 24840059 40384145 118104575 124200295 201920725 250381699 621001475 770041829 1251908495 1316523127 3850209145 6259542475 6582615635 19251045725 32913078175 40812216937 204061084685 1020305423425