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39980016396 = 2233536984629
BaseRepresentation
bin100101001110111111…
…101010001100001100
310211012021110021011000
4211032333222030030
51123334341011041
630211102300300
72613512350365
oct451677521414
9124167407130
1039980016396
1115a5674a071
1278b9287690
133a01ba6748
141d13a88b6c
15108ed8abb6
hex94efea30c

39980016396 has 48 divisors (see below), whose sum is σ = 105607605600. Its totient is φ = 13075223616.

The previous prime is 39980016383. The next prime is 39980016437. The reversal of 39980016396 is 69361008993.

39980016396 is a `hidden beast` number, since 399 + 8 + 0 + 0 + 163 + 96 = 666.

It is a super-2 number, since 2×399800163962 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486591 + ... + 3498038.

It is an arithmetic number, because the mean of its divisors is an integer number (2200158450).

Almost surely, 239980016396 is an apocalyptic number.

39980016396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39980016396 is an abundant number, since it is smaller than the sum of its proper divisors (65627589204).

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

39980016396 is a wasteful number, since it uses less digits than its factorization.

39980016396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984695 (or 6984687 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 39980016396 in words is "thirty-nine billion, nine hundred eighty million, sixteen thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1908 2862 5724 6984629 13969258 20953887 27938516 41907774 62861661 83815548 125723322 188584983 251446644 370185337 377169966 740370674 754339932 1110556011 1480741348 2221112022 3331668033 4442224044 6663336066 9995004099 13326672132 19990008198 39980016396