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2100153451 = 111511637757
BaseRepresentation
bin111110100101101…
…1100110001101011
312102100210211221011
41331023130301223
513300114402301
6544221324351
7103021003234
oct17513346153
95370724834
102100153451
11988533410
124a74066b7
13276142966
1415ccca08b
15c4597a51
hex7d2dcc6b

2100153451 has 16 divisors (see below), whose sum is σ = 2320697088. Its totient is φ = 1884708000.

The previous prime is 2100153449. The next prime is 2100153457. The reversal of 2100153451 is 1543510012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100153451 - 21 = 2100153449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100153457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266865 + ... + 274621.

It is an arithmetic number, because the mean of its divisors is an integer number (145043568).

Almost surely, 22100153451 is an apocalyptic number.

2100153451 is a deficient number, since it is larger than the sum of its proper divisors (220543637).

2100153451 is a wasteful number, since it uses less digits than its factorization.

2100153451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2100153451 is about 45827.4312066474. The cubic root of 2100153451 is about 1280.6103556807.

Adding to 2100153451 its reverse (1543510012), we get a palindrome (3643663463).

It can be divided in two parts, 2100 and 153451, that added together give a palindrome (155551).

The spelling of 2100153451 in words is "two billion, one hundred million, one hundred fifty-three thousand, four hundred fifty-one".

Divisors: 1 11 151 163 1661 1793 7757 24613 85327 270743 1171307 1264391 12884377 13908301 190923041 2100153451