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156245445340 = 2257812272267
BaseRepresentation
bin1001000110000011110…
…1000100101011011100
3112221022000101000020221
42101200331010223130
510024442313222330
6155440030051124
714200623241465
oct2214075045334
9487260330227
10156245445340
1160299531726
1226346349aa4
131197045474a
1477c3011d6c
1540e704bb7a
hex2460f44adc

156245445340 has 12 divisors (see below), whose sum is σ = 328115435256. Its totient is φ = 62498178128.

The previous prime is 156245445331. The next prime is 156245445347. The reversal of 156245445340 is 43544542651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156245445347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3906136114 + ... + 3906136153.

It is an arithmetic number, because the mean of its divisors is an integer number (27342952938).

Almost surely, 2156245445340 is an apocalyptic number.

156245445340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156245445340 is an abundant number, since it is smaller than the sum of its proper divisors (171869989916).

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

156245445340 is a wasteful number, since it uses less digits than its factorization.

156245445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812272276 (or 7812272274 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 156245445340 its reverse (43544542651), we get a palindrome (199789987991).

The spelling of 156245445340 in words is "one hundred fifty-six billion, two hundred forty-five million, four hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7812272267 15624544534 31249089068 39061361335 78122722670 156245445340