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20415432034356 = 2234736197574529
BaseRepresentation
bin1001010010001010101101…
…00100110000100000110100
32200021200210120010110001120
410221011112210300200310
510133441301100044411
6111230415304223540
74204652303034462
oct451052644604064
980250716113046
1020415432034356
116561155177237
122358792a6abb0
13b51222b17648
1450817db87832
152560bb484106
hex129156930834

20415432034356 has 24 divisors (see below), whose sum is σ = 48649540168320. Its totient is φ = 6660353713152.

The previous prime is 20415432034343. The next prime is 20415432034367. The reversal of 20415432034356 is 65343023451402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18098786701 + ... + 18098787828.

It is an arithmetic number, because the mean of its divisors is an integer number (2027064173680).

Almost surely, 220415432034356 is an apocalyptic number.

It is an amenable number.

20415432034356 is an abundant number, since it is smaller than the sum of its proper divisors (28234108133964).

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

20415432034356 is a wasteful number, since it uses less digits than its factorization.

20415432034356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36197574583 (or 36197574581 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 20415432034356 its reverse (65343023451402), we get a palindrome (85758455485758).

The spelling of 20415432034356 in words is "twenty trillion, four hundred fifteen billion, four hundred thirty-two million, thirty-four thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 36197574529 72395149058 108592723587 144790298116 217185447174 434370894348 1701286002863 3402572005726 5103858008589 6805144011452 10207716017178 20415432034356