Search a number
-
+
85197438627 = 374057020887
BaseRepresentation
bin100111101011000101…
…0011011111010100011
322010220120000022102220
41033112022123322203
52343441021014002
6103050020442123
76104162164620
oct1172612337243
9263816008386
1085197438627
113314a807704
1214618549343
138059b61ba2
1441a3153347
1523399257bc
hex13d629bea3

85197438627 has 8 divisors (see below), whose sum is σ = 129824668416. Its totient is φ = 48684250632.

The previous prime is 85197438611. The next prime is 85197438631. The reversal of 85197438627 is 72683479158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85197438627 - 24 = 85197438611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85197438647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028510423 + ... + 2028510464.

It is an arithmetic number, because the mean of its divisors is an integer number (16228083552).

Almost surely, 285197438627 is an apocalyptic number.

85197438627 is a deficient number, since it is larger than the sum of its proper divisors (44627229789).

85197438627 is a wasteful number, since it uses less digits than its factorization.

85197438627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057020897.

The product of its digits is 20321280, while the sum is 60.

The spelling of 85197438627 in words is "eighty-five billion, one hundred ninety-seven million, four hundred thirty-eight thousand, six hundred twenty-seven".

Divisors: 1 3 7 21 4057020887 12171062661 28399146209 85197438627