Search a number
-
+
86418000938 = 243209000469
BaseRepresentation
bin101000001111011101…
…0100000110000101010
322021001121201022011102
41100132322200300222
52403441002012223
6103411101401402
76146342613413
oct1203672406052
9267047638142
1086418000938
1133716788195
12148b9269262
1381c29a56c9
14427b2b680a
1523abb73928
hex141eea0c2a

86418000938 has 4 divisors (see below), whose sum is σ = 129627001410. Its totient is φ = 43209000468.

The previous prime is 86418000931. The next prime is 86418000971. The reversal of 86418000938 is 83900081468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51757615009 + 34660385929 = 227503^2 + 186173^2 .

It is a super-2 number, since 2×864180009382 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86418000892 and 86418000901.

It is not an unprimeable number, because it can be changed into a prime (86418000931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21604500233 + ... + 21604500236.

Almost surely, 286418000938 is an apocalyptic number.

86418000938 is a deficient number, since it is larger than the sum of its proper divisors (43209000472).

86418000938 is a wasteful number, since it uses less digits than its factorization.

86418000938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43209000471.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 86418000938 in words is "eighty-six billion, four hundred eighteen million, nine hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 43209000469 86418000938