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23381121452 = 221310116632677
BaseRepresentation
bin10101110001100111…
…111001100110101100
32020100110201000221012
4111301213321212230
5340341031341302
614424030324352
71455256152563
oct256147714654
966313630835
1023381121452
119a09040677
1246463596b8
132288020910
1411bb37abda
1591c9e4a52
hex5719f99ac

23381121452 has 48 divisors (see below), whose sum is σ = 44544095232. Its totient is φ = 10674028800.

The previous prime is 23381121353. The next prime is 23381121481. The reversal of 23381121452 is 25412118332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8732738 + ... + 8735414.

It is an arithmetic number, because the mean of its divisors is an integer number (928001984).

Almost surely, 223381121452 is an apocalyptic number.

It is an amenable number.

23381121452 is a deficient number, since it is larger than the sum of its proper divisors (21162973780).

23381121452 is a wasteful number, since it uses less digits than its factorization.

23381121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4456 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

Adding to 23381121452 its reverse (25412118332), we get a palindrome (48793239784).

The spelling of 23381121452 in words is "twenty-three billion, three hundred eighty-one million, one hundred twenty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 52 101 202 404 1313 1663 2626 2677 3326 5252 5354 6652 10708 21619 34801 43238 69602 86476 139204 167963 270377 335926 540754 671852 1081508 2183519 3514901 4367038 4451851 7029802 8734076 8903702 14059604 17807404 57874063 115748126 231496252 449636951 899273902 1798547804 5845280363 11690560726 23381121452