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20243013154 = 2713895872129
BaseRepresentation
bin10010110110100100…
…111101111000100010
31221020202210121121221
4102312210331320202
5312424202410104
613144410005254
71314432526030
oct226644757042
957222717557
1020243013154
118648720441
123b0b41682a
131ba7b420c0
14da06a3550
157d726ec54
hex4b693de22

20243013154 has 64 divisors (see below), whose sum is σ = 37873785600. Its totient is φ = 7901042688.

The previous prime is 20243013151. The next prime is 20243013157. The reversal of 20243013154 is 45131034202.

It is an interprime number because it is at equal distance from previous prime (20243013151) and next prime (20243013157).

It is not an unprimeable number, because it can be changed into a prime (20243013151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9507162 + ... + 9509290.

It is an arithmetic number, because the mean of its divisors is an integer number (591777900).

Almost surely, 220243013154 is an apocalyptic number.

20243013154 is a deficient number, since it is larger than the sum of its proper divisors (17630772446).

20243013154 is a wasteful number, since it uses less digits than its factorization.

20243013154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20243013154 its reverse (45131034202), we get a palindrome (65374047356).

The spelling of 20243013154 in words is "twenty billion, two hundred forty-three million, thirteen thousand, one hundred fifty-four".

Divisors: 1 2 7 13 14 26 89 91 178 182 587 623 1157 1174 1246 2129 2314 4109 4258 7631 8099 8218 14903 15262 16198 27677 29806 52243 53417 55354 104486 106834 189481 193739 365701 378962 387478 679159 731402 1249723 1326367 1358318 2463253 2499446 2652734 4754113 4926506 8748061 9508226 16246399 17242771 17496122 32492798 34485542 111225347 113724793 222450694 227449586 778577429 1445929511 1557154858 2891859022 10121506577 20243013154