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400031211404141 = 5991117789418381
BaseRepresentation
bin101101011110100111000011…
…0010000010011101101101101
31221110101121110221000201120222
41122331032012100103231231
5404413102410104413031
63534443445043421125
7150155205223324562
oct13275160620235555
91843347427021528
10400031211404141
1110650a314055579
1238a4888b3847a5
1314229a2089b025
1470ad884910869
15313aae3296e7b
hex16bd386413b6d

400031211404141 has 16 divisors (see below), whose sum is σ = 407281823481600. Its totient is φ = 392796330763200.

The previous prime is 400031211404093. The next prime is 400031211404191. The reversal of 400031211404141 is 141404112130004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400031211404141 - 238 = 399756333497197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400031211404141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400031211404191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955931771 + ... + 956350151.

It is an arithmetic number, because the mean of its divisors is an integer number (25455113967600).

Almost surely, 2400031211404141 is an apocalyptic number.

It is an amenable number.

400031211404141 is a deficient number, since it is larger than the sum of its proper divisors (7250612077459).

400031211404141 is a wasteful number, since it uses less digits than its factorization.

400031211404141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437140.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 400031211404141 its reverse (141404112130004), we get a palindrome (541435323534145).

The spelling of 400031211404141 in words is "four hundred trillion, thirty-one billion, two hundred eleven million, four hundred four thousand, one hundred forty-one".

Divisors: 1 59 911 17789 53749 418381 1049551 16205779 24684479 381145091 956140961 7442579609 22487560369 439112196931 6780190023799 400031211404141