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20360506304645 = 513327195762323
BaseRepresentation
bin1001010000100100011001…
…01111101110100010000101
32200002110000200200021112222
410220102030233232202011
510132041304103222040
6111145253143222125
74200666220034633
oct450221457564205
980073020607488
1020360506304645
11653a92a014591
12234a004447945
13b48cab721470
1450564d1aa353
15254954458bb5
hex12848cbee885

20360506304645 has 16 divisors (see below), whose sum is σ = 26320083226752. Its totient is φ = 15030854061120.

The previous prime is 20360506304641. The next prime is 20360506304659. The reversal of 20360506304645 is 54640360506302.

It is not a de Polignac number, because 20360506304645 - 22 = 20360506304641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20360506304596 and 20360506304605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360506304641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47668547 + ... + 48093776.

It is an arithmetic number, because the mean of its divisors is an integer number (1645005201672).

Almost surely, 220360506304645 is an apocalyptic number.

It is an amenable number.

20360506304645 is a deficient number, since it is larger than the sum of its proper divisors (5959576922107).

20360506304645 is a wasteful number, since it uses less digits than its factorization.

20360506304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95765612.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 20360506304645 in words is "twenty trillion, three hundred sixty billion, five hundred six million, three hundred four thousand, six hundred forty-five".

Divisors: 1 5 13 65 3271 16355 42523 212615 95762323 478811615 1244910199 6224550995 313238558533 1566192792665 4072101260929 20360506304645