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149058729681 = 3192615065433
BaseRepresentation
bin1000101011010010010…
…1111011011011010001
3112020202011022000201220
42022310211323123101
54420233013322211
6152250541515253
713524546203631
oct2126445733321
9466664260656
10149058729681
11582408488a4
1224a7b572b29
1311096565c84
1473007706c1
153d2614e806
hex22b497b6d1

149058729681 has 8 divisors (see below), whose sum is σ = 209205234720. Its totient is φ = 94142355552.

The previous prime is 149058729623. The next prime is 149058729767. The reversal of 149058729681 is 186927850941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-149058729681 is a prime.

It is a super-3 number, since 3×1490587296813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (149058729601) 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, 1307532660 + ... + 1307532773.

It is an arithmetic number, because the mean of its divisors is an integer number (26150654340).

Almost surely, 2149058729681 is an apocalyptic number.

It is an amenable number.

149058729681 is a deficient number, since it is larger than the sum of its proper divisors (60146505039).

149058729681 is a wasteful number, since it uses less digits than its factorization.

149058729681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615065455.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 149058729681 in words is "one hundred forty-nine billion, fifty-eight million, seven hundred twenty-nine thousand, six hundred eighty-one".

Divisors: 1 3 19 57 2615065433 7845196299 49686243227 149058729681