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88978310401 = 154799574799
BaseRepresentation
bin101001011011110000…
…1010100010100000001
322111200001101111110211
41102313201110110001
52424211421413101
6104513121554121
76266652105451
oct1226741242401
9274601344424
1088978310401
113480aa33622
12152b27a5941
13851025c916
144441345d61
1524ab813c51
hex14b7854501

88978310401 has 4 divisors (see below), whose sum is σ = 88979040000. Its totient is φ = 88977580804.

The previous prime is 88978310389. The next prime is 88978310417. The reversal of 88978310401 is 10401387988.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88978310401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88978310431) 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, 132601 + ... + 442198.

It is an arithmetic number, because the mean of its divisors is an integer number (22244760000).

Almost surely, 288978310401 is an apocalyptic number.

It is an amenable number.

88978310401 is a deficient number, since it is larger than the sum of its proper divisors (729599).

88978310401 is a wasteful number, since it uses less digits than its factorization.

88978310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729598.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 88978310401 in words is "eighty-eight billion, nine hundred seventy-eight million, three hundred ten thousand, four hundred one".

Divisors: 1 154799 574799 88978310401