Search a number
-
+
160135402681 = 3126171197381
BaseRepresentation
bin1001010100100011010…
…0000101010010111001
3120022100010000022120001
42111020310011102321
510110424130341211
6201322025233001
714366206315132
oct2251064052271
9508303008501
10160135402681
1161a05295201
1227051032761
1312140327557
147a718bcc89
1542737d6ac1
hex2548d054b9

160135402681 has 8 divisors (see below), whose sum is σ = 165308214528. Its totient is φ = 154963038000.

The previous prime is 160135402657. The next prime is 160135402711. The reversal of 160135402681 is 186204531061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 160135402681 - 29 = 160135402169 is a prime.

It is a super-2 number, since 2×1601354026812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160135402681.

It is not an unprimeable number, because it can be changed into a prime (160135402621) 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, 712611 + ... + 909991.

It is an arithmetic number, because the mean of its divisors is an integer number (20663526816).

Almost surely, 2160135402681 is an apocalyptic number.

It is an amenable number.

160135402681 is a deficient number, since it is larger than the sum of its proper divisors (5172811847).

160135402681 is a wasteful number, since it uses less digits than its factorization.

160135402681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223583.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 160135402681 in words is "one hundred sixty billion, one hundred thirty-five million, four hundred two thousand, six hundred eighty-one".

Divisors: 1 31 26171 197381 811301 6118811 5165658151 160135402681