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20453542210 = 2513115613391
BaseRepresentation
bin10011000011001000…
…000100100101000010
31221210102221121012101
4103003020010211002
5313342101322320
613221330221014
71322600145253
oct230310044502
957712847171
1020453542210
118746544aa2
123b69a2476a
131c0c6449ca
14dc0626b2a
157ea9a8c0a
hex4c3204942

20453542210 has 16 divisors (see below), whose sum is σ = 37097419392. Its totient is φ = 8118962800.

The previous prime is 20453542147. The next prime is 20453542229. The reversal of 20453542210 is 1224535402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7805386 + ... + 7808005.

It is an arithmetic number, because the mean of its divisors is an integer number (2318588712).

Almost surely, 220453542210 is an apocalyptic number.

20453542210 is a deficient number, since it is larger than the sum of its proper divisors (16643877182).

20453542210 is a wasteful number, since it uses less digits than its factorization.

20453542210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15613529.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 20453542210 in words is "twenty billion, four hundred fifty-three million, five hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 131 262 655 1310 15613391 31226782 78066955 156133910 2045354221 4090708442 10226771105 20453542210