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20054640161364 = 2232777601807711
BaseRepresentation
bin1001000111101010101011…
…01100111111001001010100
32122000012112100120022000220
410203311111230333021110
510112033400340130424
6110352550254234340
74136620451516604
oct443652554771124
978005470508026
1020054640161364
116432141602a96
1222ba8824b59b0
13b261b5492b73
144d4914d40c04
1524ba01ca3579
hex123d55b3f254

20054640161364 has 24 divisors (see below), whose sum is σ = 46811011070208. Its totient is φ = 6682472811840.

The previous prime is 20054640161329. The next prime is 20054640161407. The reversal of 20054640161364 is 46316104645002.

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, 300870532 + ... + 300937179.

It is an arithmetic number, because the mean of its divisors is an integer number (1950458794592).

Almost surely, 220054640161364 is an apocalyptic number.

It is an amenable number.

20054640161364 is an abundant number, since it is smaller than the sum of its proper divisors (26756370908844).

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

20054640161364 is a wasteful number, since it uses less digits than its factorization.

20054640161364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601810495 (or 601810493 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 20054640161364 in words is "twenty trillion, fifty-four billion, six hundred forty million, one hundred sixty-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 2777 5554 8331 11108 16662 33324 601807711 1203615422 1805423133 2407230844 3610846266 7221692532 1671220013447 3342440026894 5013660040341 6684880053788 10027320080682 20054640161364