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40201400253 = 3731357117293
BaseRepresentation
bin100101011100001100…
…001010111110111101
310211202201000201201010
4211130030022332331
51124313024302003
630245051305433
72622141156360
oct453414127675
9124681021633
1040201400253
111605a708033
12795b44b279
133a38a0a001
141d352360d7
1510a451b003
hex95c30afbd

40201400253 has 32 divisors (see below), whose sum is σ = 63256748032. Its totient is φ = 22223678400.

The previous prime is 40201400251. The next prime is 40201400263. The reversal of 40201400253 is 35200410204.

It is not a de Polignac number, because 40201400253 - 21 = 40201400251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201400251) 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, 2316075 + ... + 2333367.

It is an arithmetic number, because the mean of its divisors is an integer number (1976773376).

Almost surely, 240201400253 is an apocalyptic number.

It is an amenable number.

40201400253 is a deficient number, since it is larger than the sum of its proper divisors (23055347779).

40201400253 is a wasteful number, since it uses less digits than its factorization.

40201400253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20905.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40201400253 its reverse (35200410204), we get a palindrome (75401810457).

The spelling of 40201400253 in words is "forty billion, two hundred one million, four hundred thousand, two hundred fifty-three".

Divisors: 1 3 7 21 31 93 217 651 3571 10713 17293 24997 51879 74991 110701 121051 332103 363153 536083 774907 1608249 2324721 3752581 11257743 61753303 185259909 432273121 1296819363 1914352393 5743057179 13400466751 40201400253