Search a number
-
+
152401220621740 = 2257620061031087
BaseRepresentation
bin100010101001101110101100…
…100111100101010110101100
3201222121102012002201000122001
4202221232230213211112230
5124433420144434343430
61300044053151302044
744046424214236426
oct4251565447452654
9658542162630561
10152401220621740
1144617aa3a49642
121511446451a924
1367064b15a31ac
14298c389209816
15129448b0663ca
hex8a9bac9e55ac

152401220621740 has 12 divisors (see below), whose sum is σ = 320042563305696. Its totient is φ = 60960488248688.

The previous prime is 152401220621737. The next prime is 152401220621801. The reversal of 152401220621740 is 47126022104251.

It is a super-2 number, since 2×1524012206217402 (a number of 29 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 152401220621740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810030515524 + ... + 3810030515563.

It is an arithmetic number, because the mean of its divisors is an integer number (26670213608808).

Almost surely, 2152401220621740 is an apocalyptic number.

152401220621740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152401220621740 is an abundant number, since it is smaller than the sum of its proper divisors (167641342683956).

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

152401220621740 is a wasteful number, since it uses less digits than its factorization.

152401220621740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620061031096 (or 7620061031094 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 152401220621740 its reverse (47126022104251), we get a palindrome (199527242725991).

The spelling of 152401220621740 in words is "one hundred fifty-two trillion, four hundred one billion, two hundred twenty million, six hundred twenty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7620061031087 15240122062174 30480244124348 38100305155435 76200610310870 152401220621740