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2501420123 = 43459112671
BaseRepresentation
bin1001010100011000…
…1010010001011011
320110022212022022202
42111012022101123
520110330420443
61052114040415
7115662502016
oct22506122133
96408768282
102501420123
111073a93a64
1259987910b
1330b308967
1419a30037d
15e990b7b8
hex9518a45b

2501420123 has 8 divisors (see below), whose sum is σ = 2560352256. Its totient is φ = 2442522600.

The previous prime is 2501420083. The next prime is 2501420153. The reversal of 2501420123 is 3210241052.

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

It is a cyclic number.

It is not a de Polignac number, because 2501420123 - 26 = 2501420059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501420095 and 2501420104.

It is not an unprimeable number, because it can be changed into a prime (2501420153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191078 + ... + 203748.

It is an arithmetic number, because the mean of its divisors is an integer number (320044032).

Almost surely, 22501420123 is an apocalyptic number.

2501420123 is a deficient number, since it is larger than the sum of its proper divisors (58932133).

2501420123 is a wasteful number, since it uses less digits than its factorization.

2501420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2501420123 is about 50014.1992138233. The cubic root of 2501420123 is about 1357.4657467783.

Adding to 2501420123 its reverse (3210241052), we get a palindrome (5711661175).

The spelling of 2501420123 in words is "two billion, five hundred one million, four hundred twenty thousand, one hundred twenty-three".

Divisors: 1 43 4591 12671 197413 544853 58172561 2501420123