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20151451352 = 232518931419
BaseRepresentation
bin10010110001000111…
…101011111011011000
31221000101111210110002
4102301013223323120
5312232232420402
613131335312132
71312241340014
oct226107537330
957011453402
1020151451352
118600a7272a
123aa481b648
131b91b94316
14d9246b544
157ce1d5602
hex4b11ebed8

20151451352 has 8 divisors (see below), whose sum is σ = 37783971300. Its totient is φ = 10075725672.

The previous prime is 20151451351. The next prime is 20151451373. The reversal of 20151451352 is 25315415102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151451351) 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 as a sum of consecutive naturals, namely, 1259465702 + ... + 1259465717.

Almost surely, 220151451352 is an apocalyptic number.

It is an amenable number.

20151451352 is a deficient number, since it is larger than the sum of its proper divisors (17632519948).

20151451352 is a wasteful number, since it uses less digits than its factorization.

20151451352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518931425 (or 2518931421 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 20151451352 its reverse (25315415102), we get a palindrome (45466866454).

The spelling of 20151451352 in words is "twenty billion, one hundred fifty-one million, four hundred fifty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 2518931419 5037862838 10075725676 20151451352