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610961480420 = 225195411563281
BaseRepresentation
bin10001110010000000010…
…01000101101011100100
32011101222221210221210112
420321000021011223210
540002222114333140
61144401040512152
762066123616614
oct10710011055344
92141887727715
10610961480420
1121611a912025
129a4a991b658
13457c88b90b5
14217dbda8a44
1510d5c34dc65
hex8e40245ae4

610961480420 has 24 divisors (see below), whose sum is σ = 1283085587448. Its totient is φ = 244371929600.

The previous prime is 610961480419. The next prime is 610961480447. The reversal of 610961480420 is 24084169016.

It can be written as a sum of positive squares in 4 ways, for example, as 447407104 + 610514073316 = 21152^2 + 781354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390821 + ... + 1172460.

It is an arithmetic number, because the mean of its divisors is an integer number (53461899477).

Almost surely, 2610961480420 is an apocalyptic number.

It is an amenable number.

610961480420 is an abundant number, since it is smaller than the sum of its proper divisors (672124107028).

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

610961480420 is a wasteful number, since it uses less digits than its factorization.

610961480420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582831 (or 1582829 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 610961480420 in words is "six hundred ten billion, nine hundred sixty-one million, four hundred eighty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 19541 39082 78164 97705 195410 390820 1563281 3126562 6253124 7816405 15632810 31265620 30548074021 61096148042 122192296084 152740370105 305480740210 610961480420