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2130003154 = 26389166693
BaseRepresentation
bin111111011110101…
…0100010011010010
312111102222101000201
41332331110103102
513330240100104
6551205205414
7103532504506
oct17675242322
95442871021
102130003154
119a3370994
124b540086a
1327c3943c6
14162c5a306
15c6ee20a4
hex7ef544d2

2130003154 has 8 divisors (see below), whose sum is σ = 3195523980. Its totient is φ = 1064828496.

The previous prime is 2130003137. The next prime is 2130003157. The reversal of 2130003154 is 4513000312.

It can be written as a sum of positive squares in 2 ways, for example, as 1545669225 + 584333929 = 39315^2 + 24173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2130003157) 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, 70569 + ... + 96124.

Almost surely, 22130003154 is an apocalyptic number.

2130003154 is a deficient number, since it is larger than the sum of its proper divisors (1065520826).

2130003154 is a wasteful number, since it uses less digits than its factorization.

2130003154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173084.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2130003154 is about 46151.9572066018. The cubic root of 2130003154 is about 1286.6489862921.

Adding to 2130003154 its reverse (4513000312), we get a palindrome (6643003466).

The spelling of 2130003154 in words is "two billion, one hundred thirty million, three thousand, one hundred fifty-four".

Divisors: 1 2 6389 12778 166693 333386 1065001577 2130003154