Search a number
-
+
155404006453 = 179881985447
BaseRepresentation
bin1001000010111011001…
…1001111010000110101
3112212010101001111002201
42100232303033100311
510021231411201303
6155220331104501
714141025155053
oct2205663172065
9485111044081
10155404006453
115a9a7568193
12261505a2131
1311868023107
14774337b1d3
15409823b81d
hex242eccf435

155404006453 has 8 divisors (see below), whose sum is σ = 156449724480. Its totient is φ = 154360261440.

The previous prime is 155404006421. The next prime is 155404006507. The reversal of 155404006453 is 354600404551.

155404006453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155404006453 - 25 = 155404006421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155404006403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335025 + ... + 650422.

It is an arithmetic number, because the mean of its divisors is an integer number (19556215560).

Almost surely, 2155404006453 is an apocalyptic number.

It is an amenable number.

155404006453 is a deficient number, since it is larger than the sum of its proper divisors (1045718027).

155404006453 is an equidigital number, since it uses as much as digits as its factorization.

155404006453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986507.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 155404006453 in words is "one hundred fifty-five billion, four hundred four million, six thousand, four hundred fifty-three".

Divisors: 1 179 881 157699 985447 176395013 868178807 155404006453