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2120420148087 = 337151126509167
BaseRepresentation
bin11110110110110010111…
…000111100001101110111
321111201011201121012021210
4132312302320330031313
5234220110024214322
64302035122412503
7306123662606013
oct36666270741567
97451151535253
102120420148087
117482a099242a
122a2b50501133
13124c547c5977
14748b3923543
153a254cc670c
hex1edb2e3c377

2120420148087 has 16 divisors (see below), whose sum is σ = 2922867817472. Its totient is φ = 1366298992800.

The previous prime is 2120420148083. The next prime is 2120420148101. The reversal of 2120420148087 is 7808410240212.

It is not a de Polignac number, because 2120420148087 - 22 = 2120420148083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120420148083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63237823 + ... + 63271344.

It is an arithmetic number, because the mean of its divisors is an integer number (182679238592).

Almost surely, 22120420148087 is an apocalyptic number.

2120420148087 is a deficient number, since it is larger than the sum of its proper divisors (802447669385).

2120420148087 is a wasteful number, since it uses less digits than its factorization.

2120420148087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126509358.

The product of its (nonzero) digits is 57344, while the sum is 39.

Adding to 2120420148087 its reverse (7808410240212), we get a palindrome (9928830388299).

The spelling of 2120420148087 in words is "two trillion, one hundred twenty billion, four hundred twenty million, one hundred forty-eight thousand, eighty-seven".

Divisors: 1 3 37 111 151 453 5587 16761 126509167 379527501 4680839179 14042517537 19102884217 57308652651 706806716029 2120420148087