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10144432623 = 3131511722607
BaseRepresentation
bin10010111001010011…
…11100000111101111
3222011222112120102210
421130221330013233
5131233433320443
64354342221503
7506250153213
oct113451740757
928158476383
1010144432623
1143362a4416
121b71424893
13c588ba270
146c33dc943
153e58dcc33
hex25ca7c1ef

10144432623 has 16 divisors (see below), whose sum is σ = 14662839296. Its totient is φ = 6201381600.

The previous prime is 10144432583. The next prime is 10144432651. The reversal of 10144432623 is 32623444101.

It is not a de Polignac number, because 10144432623 - 228 = 9875997167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144432673) 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, 855415 + ... + 867192.

It is an arithmetic number, because the mean of its divisors is an integer number (916427456).

Almost surely, 210144432623 is an apocalyptic number.

10144432623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10144432623 is a deficient number, since it is larger than the sum of its proper divisors (4518406673).

10144432623 is a wasteful number, since it uses less digits than its factorization.

10144432623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722774.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 10144432623 its reverse (32623444101), we get a palindrome (42767876724).

The spelling of 10144432623 in words is "ten billion, one hundred forty-four million, four hundred thirty-two thousand, six hundred twenty-three".

Divisors: 1 3 13 39 151 453 1963 5889 1722607 5167821 22393891 67181673 260113657 780340971 3381477541 10144432623