Base | Representation |
---|---|
bin | 111111010001011000… |
… | …100010011001000000 |
3 | 20111100200011111000201 |
4 | 333101120202121000 |
5 | 2103113432124104 |
6 | 51113205454544 |
7 | 4623360125662 |
oct | 772130423100 |
9 | 214320144021 |
10 | 67937379904 |
11 | 268a2975069 |
12 | 11200111454 |
13 | 65390168a4 |
14 | 3406ada532 |
15 | 1b794ce0a4 |
hex | fd1622640 |
67937379904 has 63 divisors (see below), whose sum is σ = 139435005483. Its totient is φ = 32841648000.
The previous prime is 67937379877. The next prime is 67937379907. The reversal of 67937379904 is 40997373976.
The square root of 67937379904 is 260648.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67937379907) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64640179 + ... + 64641229.
Almost surely, 267937379904 is an apocalyptic number.
67937379904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
67937379904 is the 260648-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67937379904
67937379904 is an abundant number, since it is smaller than the sum of its proper divisors (71497625579).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67937379904 is an frugal number, since it uses more digits than its factorization.
67937379904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2176 (or 1084 counting only the distinct ones).
The product of its (nonzero) digits is 54010152, while the sum is 64.
Multiplying 67937379904 by its sum of digits (64), we get a square (4347992313856 = 20851842).
67937379904 divided by its sum of digits (64) gives a square (1061521561 = 325812).
The spelling of 67937379904 in words is "sixty-seven billion, nine hundred thirty-seven million, three hundred seventy-nine thousand, nine hundred four".
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