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40202412445 = 5134183181751
BaseRepresentation
bin100101011100010000…
…000010000110011101
310211202202221011011201
4211130100002012131
51124313304144240
630245125115501
72622152603356
oct453420020635
9124682834151
1040202412445
1116060239558
12795b858b91
133a38ca2940
141d3541ad2d
1510a466ad9a
hex95c40219d

40202412445 has 32 divisors (see below), whose sum is σ = 53862568704. Its totient is φ = 28614720000.

The previous prime is 40202412443. The next prime is 40202412449. The reversal of 40202412445 is 54421420204.

It is not a de Polignac number, because 40202412445 - 21 = 40202412443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202412443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130320 + ... + 312070.

It is an arithmetic number, because the mean of its divisors is an integer number (1683205272).

Almost surely, 240202412445 is an apocalyptic number.

It is an amenable number.

40202412445 is a deficient number, since it is larger than the sum of its proper divisors (13660156259).

40202412445 is a wasteful number, since it uses less digits than its factorization.

40202412445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181893.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 40202412445 its reverse (54421420204), we get a palindrome (94623832649).

The spelling of 40202412445 in words is "forty billion, two hundred two million, four hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 13 41 65 83 205 415 533 1079 2665 3403 5395 17015 44239 181751 221195 908755 2362763 7451791 11813815 15085333 37258955 75426665 96873283 196109329 484366415 618498653 980546645 3092493265 8040482489 40202412445