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23404133144 = 237417930949
BaseRepresentation
bin10101110010111111…
…101011101100011000
32020102002000011001002
4111302333223230120
5340412424230034
614430211444132
71455655564220
oct256277535430
966362004032
1023404133144
119a200286a7
124651bb6648
13228ca19ac2
1411c044b080
1591ea3ce7e
hex572febb18

23404133144 has 16 divisors (see below), whose sum is σ = 50151714000. Its totient is φ = 10030342752.

The previous prime is 23404133119. The next prime is 23404133149. The reversal of 23404133144 is 44133140432.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404133149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208965419 + ... + 208965530.

It is an arithmetic number, because the mean of its divisors is an integer number (3134482125).

Almost surely, 223404133144 is an apocalyptic number.

It is an amenable number.

23404133144 is an abundant number, since it is smaller than the sum of its proper divisors (26747580856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23404133144 is a wasteful number, since it uses less digits than its factorization.

23404133144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417930962 (or 417930958 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23404133144 its reverse (44133140432), we get a palindrome (67537273576).

The spelling of 23404133144 in words is "twenty-three billion, four hundred four million, one hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 417930949 835861898 1671723796 2925516643 3343447592 5851033286 11702066572 23404133144