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13154212232040 = 233511173118909511
BaseRepresentation
bin1011111101101011010000…
…1001011011101101101000
31201120112022200000121020010
42333122310021123231220
53211004311312411130
643550543415531520
72525234433060465
oct277326411335550
951515280017203
1013154212232040
11421174096a150
12158545b089ba0
1374558ab07069
1433694adb466c
1517c287e600b0
hexbf6b425bb68

13154212232040 has 256 divisors, whose sum is σ = 47052916899840. Its totient is φ = 2904500736000.

The previous prime is 13154212231997. The next prime is 13154212232069. The reversal of 13154212232040 is 4023221245131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13154212231989 and 13154212232007.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8759116 + ... + 10150395.

It is an arithmetic number, because the mean of its divisors is an integer number (183800456640).

Almost surely, 213154212232040 is an apocalyptic number.

13154212232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13154212232040 is an abundant number, since it is smaller than the sum of its proper divisors (33898704667800).

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

13154212232040 is a wasteful number, since it uses less digits than its factorization.

13154212232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18909584 (or 18909580 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13154212232040 its reverse (4023221245131), we get a palindrome (17177433477171).

The spelling of 13154212232040 in words is "thirteen trillion, one hundred fifty-four billion, two hundred twelve million, two hundred thirty-two thousand, forty".