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16250961541 = 22372874267
BaseRepresentation
bin11110010001010000…
…11111111010000101
31112221120001101022111
433020220133322011
5231240221232131
611244322301021
71113466615423
oct171050377205
945846041274
1016250961541
11698a275a31
1231964b7771
1316bca74499
14b0241c113
15651a69ab1
hex3c8a1fe85

16250961541 has 4 divisors (see below), whose sum is σ = 16323836032. Its totient is φ = 16178087052.

The previous prime is 16250961527. The next prime is 16250961557. The reversal of 16250961541 is 14516905261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16250961541 - 211 = 16250959493 is a prime.

It is a super-2 number, since 2×162509615412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16250961494 and 16250961503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16250968541) 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, 36436911 + ... + 36437356.

It is an arithmetic number, because the mean of its divisors is an integer number (4080959008).

Almost surely, 216250961541 is an apocalyptic number.

It is an amenable number.

16250961541 is a deficient number, since it is larger than the sum of its proper divisors (72874491).

16250961541 is an equidigital number, since it uses as much as digits as its factorization.

16250961541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72874490.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 16250961541 in words is "sixteen billion, two hundred fifty million, nine hundred sixty-one thousand, five hundred forty-one".

Divisors: 1 223 72874267 16250961541