Search a number
-
+
156405660141 = 3471733363997
BaseRepresentation
bin1001000110101010000…
…0001111100111101101
3112221201011211202122110
42101222200033213231
510030304322111031
6155503552034233
714204610114153
oct2215240174755
9487634752573
10156405660141
1160370a10455
122638bb32979
13119976bbbc3
1477da3d93d3
154106147c46
hex246a80f9ed

156405660141 has 16 divisors (see below), whose sum is σ = 212993535744. Its totient is φ = 102044437824.

The previous prime is 156405660127. The next prime is 156405660149. The reversal of 156405660141 is 141066504651.

It is a happy number.

156405660141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156405660141 - 215 = 156405627373 is a prime.

It is a super-2 number, since 2×1564056601412 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156405660141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156405660149) 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 15 ways as a sum of consecutive naturals, for example, 2411955 + ... + 2475951.

It is an arithmetic number, because the mean of its divisors is an integer number (13312095984).

Almost surely, 2156405660141 is an apocalyptic number.

It is an amenable number.

156405660141 is a deficient number, since it is larger than the sum of its proper divisors (56587875603).

156405660141 is a wasteful number, since it uses less digits than its factorization.

156405660141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81380.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 156405660141 in words is "one hundred fifty-six billion, four hundred five million, six hundred sixty thousand, one hundred forty-one".

Divisors: 1 3 47 141 17333 51999 63997 191991 814651 2443953 3007859 9023577 1109260001 3327780003 52135220047 156405660141