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149481885607 = 179951187803
BaseRepresentation
bin1000101100110111010…
…0001000111110100111
3112021211122112120112121
42023031310020332213
54422114330314412
6152400535330411
713541205030445
oct2131564107647
9467748476477
10149481885607
115843869a13a
1224b79220a07
13111331242b2
147340a41b95
153d4d389107
hex22cdd08fa7

149481885607 has 8 divisors (see below), whose sum is σ = 150334496640. Its totient is φ = 148629469560.

The previous prime is 149481885589. The next prime is 149481885613. The reversal of 149481885607 is 706588184941.

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 149481885607 - 219 = 149481361319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149481885617) 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, 1658568 + ... + 1746370.

It is an arithmetic number, because the mean of its divisors is an integer number (18791812080).

Almost surely, 2149481885607 is an apocalyptic number.

149481885607 is a deficient number, since it is larger than the sum of its proper divisors (852611033).

149481885607 is an equidigital number, since it uses as much as digits as its factorization.

149481885607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97493.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 149481885607 in words is "one hundred forty-nine billion, four hundred eighty-one million, eight hundred eighty-five thousand, six hundred seven".

Divisors: 1 179 9511 87803 1702469 15716737 835094333 149481885607