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153655755016081 = 435668935268929
BaseRepresentation
bin100010111011111111000100…
…101100100000011110010001
3202011001100100202111101220111
4202323333010230200132101
5130114443441241003311
61302444251313241321
744236155564526003
oct4273770454403621
9664040322441814
10153655755016081
1144a61048a0031a
1215297621563241
1367978a2187596
1429d2d9a364373
1512b6e1372ad21
hex8bbfc4b20791

153655755016081 has 4 divisors (see below), whose sum is σ = 153655794641700. Its totient is φ = 153655715390464.

The previous prime is 153655755016039. The next prime is 153655755016103. The reversal of 153655755016081 is 180610557556351.

153655755016081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4614264871056 + 149041490145025 = 2148084^2 + 12208255^2 .

It is a cyclic number.

It is not a de Polignac number, because 153655755016081 - 231 = 153653607532433 is a prime.

It is a super-2 number, since 2×1536557550160812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153655755014081) 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, 13277776 + ... + 21991153.

It is an arithmetic number, because the mean of its divisors is an integer number (38413948660425).

Almost surely, 2153655755016081 is an apocalyptic number.

It is an amenable number.

153655755016081 is a deficient number, since it is larger than the sum of its proper divisors (39625619).

153655755016081 is an equidigital number, since it uses as much as digits as its factorization.

153655755016081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39625618.

The product of its (nonzero) digits is 18900000, while the sum is 58.

The spelling of 153655755016081 in words is "one hundred fifty-three trillion, six hundred fifty-five billion, seven hundred fifty-five million, sixteen thousand, eighty-one".

Divisors: 1 4356689 35268929 153655755016081