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20036344654 = 2103397244997
BaseRepresentation
bin10010101010010000…
…100101101101001110
31220201100220202202001
4102222100211231032
5312013301012104
613112104222514
71306343055664
oct225220455516
956640822661
1020036344654
118551aa3327
123a7216aa3a
131b74091751
14d81066c34
157c4049aa4
hex4aa425b4e

20036344654 has 16 divisors (see below), whose sum is σ = 30422871648. Its totient is φ = 9895878432.

The previous prime is 20036344613. The next prime is 20036344663. The reversal of 20036344654 is 45644363002.

It is a happy number.

It is a congruent number.

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, 40717 + ... + 204280.

It is an arithmetic number, because the mean of its divisors is an integer number (1901429478).

Almost surely, 220036344654 is an apocalyptic number.

20036344654 is a deficient number, since it is larger than the sum of its proper divisors (10386526994).

20036344654 is a wasteful number, since it uses less digits than its factorization.

20036344654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245499.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 20036344654 in words is "twenty billion, thirty-six million, three hundred forty-four thousand, six hundred fifty-four".

Divisors: 1 2 103 206 397 794 40891 81782 244997 489994 25234691 50469382 97263809 194527618 10018172327 20036344654