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141997525644 = 2231341117118959
BaseRepresentation
bin1000010000111110110…
…1100100101010001100
3111120112001101200210110
42010033231210222030
54311302331310034
6145122135440020
713154555024142
oct2041755445214
9446461350713
10141997525644
11552479a0787
122362a826010
131050c681030
146c30a41592
153a61295de9
hex210fb64a8c

141997525644 has 96 divisors (see below), whose sum is σ = 365848519680. Its totient is φ = 42587251200.

The previous prime is 141997525627. The next prime is 141997525667. The reversal of 141997525644 is 446525799141.

It is a super-2 number, since 2×1419975256442 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7480237 + ... + 7499195.

It is an arithmetic number, because the mean of its divisors is an integer number (3810922080).

Almost surely, 2141997525644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141997525644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182924259840).

141997525644 is an abundant number, since it is smaller than the sum of its proper divisors (223850994036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141997525644 is a wasteful number, since it uses less digits than its factorization.

141997525644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191 (or 20189 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 141997525644 in words is "one hundred forty-one billion, nine hundred ninety-seven million, five hundred twenty-five thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 41 52 78 82 123 156 164 246 492 533 1066 1171 1599 2132 2342 3198 3513 4684 6396 7026 14052 15223 18959 30446 37918 45669 48011 56877 60892 75836 91338 96022 113754 144033 182676 192044 227508 246467 288066 492934 576132 624143 739401 777319 985868 1248286 1478802 1554638 1872429 2331957 2496572 2957604 3109276 3744858 4663914 7489716 9327828 10105147 20210294 22200989 30315441 40420588 44401978 60630882 66602967 88803956 121261764 133205934 266411868 288612857 577225714 865838571 910240549 1154451428 1731677142 1820481098 2730721647 3463354284 3640962196 5461443294 10922886588 11833127137 23666254274 35499381411 47332508548 70998762822 141997525644