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40108412755788 = 223131327491936777
BaseRepresentation
bin10010001111010011101111…
…01100011101111101001100
312021000022211020122121221220
421013221313230131331030
520224114012131141123
6221145314521523340
711306510600212026
oct1107516754357514
9167008736577856
1040108412755788
1111863978416103
1245b9342343550
13194c28cca68c0
149c9386969016
154984a27d4ce3
hex247a77b1df4c

40108412755788 has 48 divisors (see below), whose sum is σ = 100786053564000. Its totient is φ = 12340950741504.

The previous prime is 40108412755781. The next prime is 40108412755799. The reversal of 40108412755788 is 88755721480104.

It is not an unprimeable number, because it can be changed into a prime (40108412755781) 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, 19740456 + ... + 21677232.

It is an arithmetic number, because the mean of its divisors is an integer number (2099709449250).

Almost surely, 240108412755788 is an apocalyptic number.

It is an amenable number.

40108412755788 is an abundant number, since it is smaller than the sum of its proper divisors (60677640808212).

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

40108412755788 is a wasteful number, since it uses less digits than its factorization.

40108412755788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069546 (or 2069544 counting only the distinct ones).

The product of its (nonzero) digits is 20070400, while the sum is 60.

The spelling of 40108412755788 in words is "forty trillion, one hundred eight billion, four hundred twelve million, seven hundred fifty-five thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 132749 265498 398247 530996 796494 1592988 1725737 1936777 3451474 3873554 5177211 5810331 6902948 7747108 10354422 11620662 20708844 23241324 25178101 50356202 75534303 100712404 151068606 302137212 257105209973 514210419946 771315629919 1028420839892 1542631259838 3085262519676 3342367729649 6684735459298 10027103188947 13369470918596 20054206377894 40108412755788