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2500135331 = 13720838761
BaseRepresentation
bin1001010100000101…
…0000100110100011
320110020110000220212
42111001100212203
520110013312311
61052030324335
7115645541201
oct22501204643
96406400825
102500135331
111073296751
125993596ab
1330ac78c25
1419a088071
15e9755c8b
hex950509a3

2500135331 has 8 divisors (see below), whose sum is σ = 2519881104. Its totient is φ = 2480411520.

The previous prime is 2500135271. The next prime is 2500135361. The reversal of 2500135331 is 1335310052.

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 2500135331 - 226 = 2433026467 is a prime.

It is a super-2 number, since 2×25001353312 = 12501353346628959122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2500135297 and 2500135306.

It is not an unprimeable number, because it can be changed into a prime (2500135361) 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, 280991 + ... + 289751.

It is an arithmetic number, because the mean of its divisors is an integer number (314985138).

Almost surely, 22500135331 is an apocalyptic number.

2500135331 is a deficient number, since it is larger than the sum of its proper divisors (19745773).

2500135331 is a wasteful number, since it uses less digits than its factorization.

2500135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10981.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 2500135331 is about 50001.3532916860. The cubic root of 2500135331 is about 1357.2332975123.

Adding to 2500135331 its reverse (1335310052), we get a palindrome (3835445383).

The spelling of 2500135331 in words is "two billion, five hundred million, one hundred thirty-five thousand, three hundred thirty-one".

Divisors: 1 137 2083 8761 285371 1200257 18249163 2500135331