Search a number
-
+
154001162244 = 22312833430187
BaseRepresentation
bin1000111101101100101…
…1110100000000000100
3112201111121100121121210
42033123023310000010
510010343244142434
6154425215211420
714061202165206
oct2173313640004
9481447317553
10154001162244
115a347706606
1225a1a816b70
13116a34b9b97
14764cd28776
154014ed3ee9
hex23db2f4004

154001162244 has 12 divisors (see below), whose sum is σ = 359336045264. Its totient is φ = 51333720744.

The previous prime is 154001162243. The next prime is 154001162257. The reversal of 154001162244 is 442261100451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1540011622442 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154001162243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416715082 + ... + 6416715105.

Almost surely, 2154001162244 is an apocalyptic number.

It is an amenable number.

154001162244 is an abundant number, since it is smaller than the sum of its proper divisors (205334883020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154001162244 is a wasteful number, since it uses less digits than its factorization.

154001162244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833430194 (or 12833430192 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 154001162244 its reverse (442261100451), we get a palindrome (596262262695).

The spelling of 154001162244 in words is "one hundred fifty-four billion, one million, one hundred sixty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 12833430187 25666860374 38500290561 51333720748 77000581122 154001162244