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1020402470446 = 223269317260137
BaseRepresentation
bin11101101100101001011…
…10100000111000101110
310121112211121021022101121
432312110232200320232
5113204241013023241
62100433314131154
7133502344614112
oct16662456407056
93545747238347
101020402470446
11363828657a17
12145916880aba
13752ba16b368
143755dd77742
151b8229d2ad1
hexed94ba0e2e

1020402470446 has 32 divisors (see below), whose sum is σ = 1608152304960. Its totient is φ = 484668746496.

The previous prime is 1020402470429. The next prime is 1020402470447. The reversal of 1020402470446 is 6440742040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020402470447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792490 + ... + 4052626.

It is an arithmetic number, because the mean of its divisors is an integer number (50254759530).

Almost surely, 21020402470446 is an apocalyptic number.

1020402470446 is a deficient number, since it is larger than the sum of its proper divisors (587749834514).

1020402470446 is a wasteful number, since it uses less digits than its factorization.

1020402470446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260748.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 1020402470446 in words is "one trillion, twenty billion, four hundred two million, four hundred seventy thousand, four hundred forty-six".

Divisors: 1 2 23 46 269 317 538 634 6187 7291 12374 14582 85273 170546 260137 520274 1961279 3922558 5983151 11966302 69976853 82463429 139953706 164926858 1609467619 1896658867 3218935238 3793317734 22182662401 44365324802 510201235223 1020402470446