Search a number
-
+
156101515660 = 22523887382583
BaseRepresentation
bin1001000101100001100…
…0000001100110001100
3112220220222112121212001
42101120120001212030
510024143442000120
6155413445122044
714164224663436
oct2213030014614
9486828477761
10156101515660
1160225266182
12263060b9324
131194969c85c
1477abc67656
1540d95bae0a
hex245860198c

156101515660 has 48 divisors (see below), whose sum is σ = 342452468736. Its totient is φ = 59658306752.

The previous prime is 156101515651. The next prime is 156101515783. The reversal of 156101515660 is 66515101651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216729 + ... + 599311.

It is an arithmetic number, because the mean of its divisors is an integer number (7134426432).

Almost surely, 2156101515660 is an apocalyptic number.

156101515660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156101515660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171226234368).

156101515660 is an abundant number, since it is smaller than the sum of its proper divisors (186350953076).

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

156101515660 is a wasteful number, since it uses less digits than its factorization.

156101515660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383502 (or 383500 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 156101515660 in words is "one hundred fifty-six billion, one hundred one million, five hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 887 1774 3548 4435 8870 17740 20401 40802 81604 102005 204010 382583 408020 765166 1530332 1912915 3825830 7651660 8799409 17598818 35197636 43997045 87994090 175988180 339351121 678702242 1357404484 1696755605 3393511210 6787022420 7805075783 15610151566 31220303132 39025378915 78050757830 156101515660