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2150201520201 = 37671528217143
BaseRepresentation
bin11111010010100001111…
…111110111000001001001
321121120001020111122120210
4133102201333313001021
5240212103042121301
64323442224511333
7311226666234540
oct37224177670111
97546036448523
102150201520201
11759993780059
122a888217b549
131279bc7b0a47
14760dacdb157
153ade9616ad6
hex1f4a1ff7049

2150201520201 has 16 divisors (see below), whose sum is σ = 3325400505344. Its totient is φ = 1210347976464.

The previous prime is 2150201520199. The next prime is 2150201520221. The reversal of 2150201520201 is 1020251020512.

It is not a de Polignac number, because 2150201520201 - 21 = 2150201520199 is a prime.

It is a super-2 number, since 2×21502015202012 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2150201520221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764107165 + ... + 764109978.

It is an arithmetic number, because the mean of its divisors is an integer number (207837531584).

Almost surely, 22150201520201 is an apocalyptic number.

2150201520201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2150201520201 is a deficient number, since it is larger than the sum of its proper divisors (1175198985143).

2150201520201 is a wasteful number, since it uses less digits than its factorization.

2150201520201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528217220.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 2150201520201 its reverse (1020251020512), we get a palindrome (3170452540713).

The spelling of 2150201520201 in words is "two trillion, one hundred fifty billion, two hundred one million, five hundred twenty thousand, two hundred one".

Divisors: 1 3 7 21 67 201 469 1407 1528217143 4584651429 10697520001 32092560003 102390548581 307171645743 716733840067 2150201520201