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28290504360701 = 1123572444344641
BaseRepresentation
bin1100110111010111001010…
…11101101000001011111101
310201011112201220001110221202
412123223211131220023331
512202002423104020301
6140100251150505245
75646631033250102
oct633534535501375
9121145656043852
1028290504360701
119017a321a8190
12320aa80805225
1312a2a2466a1cb
146db3a6888aa9
15340d7aa2766b
hex19bae57682fd

28290504360701 has 16 divisors (see below), whose sum is σ = 30877417142208. Its totient is φ = 25706101132800.

The previous prime is 28290504360697. The next prime is 28290504360731. The reversal of 28290504360701 is 10706340509282.

It is not a de Polignac number, because 28290504360701 - 22 = 28290504360697 is a prime.

It is a super-3 number, since 3×282905043607013 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28290504360731) 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, 633711341 + ... + 633755981.

It is an arithmetic number, because the mean of its divisors is an integer number (1929838571388).

It is a 1-persistent number, because it is pandigital, but 2⋅28290504360701 = 56581008721402 is not.

Almost surely, 228290504360701 is an apocalyptic number.

It is an amenable number.

28290504360701 is a deficient number, since it is larger than the sum of its proper divisors (2586912781507).

28290504360701 is a wasteful number, since it uses less digits than its factorization.

28290504360701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71452.

The product of its (nonzero) digits is 725760, while the sum is 47.

Adding to 28290504360701 its reverse (10706340509282), we get a palindrome (38996844869983).

The spelling of 28290504360701 in words is "twenty-eight trillion, two hundred ninety billion, five hundred four million, three hundred sixty thousand, seven hundred one".

Divisors: 1 11 2357 24443 25927 44641 268873 491051 57612151 105218837 633733661 1091159963 1157407207 12002759593 2571864032791 28290504360701