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78900133201 = 544314495707
BaseRepresentation
bin100100101111011010…
…0000111110101010001
321112122200112001101121
41021132310013311101
52243041413230301
6100125103402241
75462135031601
oct1113664076521
9245580461347
1078900133201
113050908295a
121335b5b3381
1375952cc966
143b66a72c01
1520bbb623a1
hex125ed07d51

78900133201 has 4 divisors (see below), whose sum is σ = 78914634352. Its totient is φ = 78885632052.

The previous prime is 78900133181. The next prime is 78900133241. The reversal of 78900133201 is 10233100987.

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 a de Polignac number, because none of the positive numbers 2k-78900133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78900133241) 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 in 3 ways as a sum of consecutive naturals, for example, 7242411 + ... + 7253296.

It is an arithmetic number, because the mean of its divisors is an integer number (19728658588).

Almost surely, 278900133201 is an apocalyptic number.

It is an amenable number.

78900133201 is a deficient number, since it is larger than the sum of its proper divisors (14501151).

78900133201 is a wasteful number, since it uses less digits than its factorization.

78900133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14501150.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 78900133201 in words is "seventy-eight billion, nine hundred million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 5443 14495707 78900133201