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140442154232 = 23193129805211
BaseRepresentation
bin1000001011001100000…
…0010011010011111000
3111102111122200122022212
42002303000103103320
54300111142413412
6144303534434252
713101200420462
oct2026300232370
9442448618285
10140442154232
1154619a31166
1223275962988
1310322372813
146b24247132
1539be960222
hex20b30134f8

140442154232 has 32 divisors (see below), whose sum is σ = 286130035200. Its totient is φ = 64379253600.

The previous prime is 140442154219. The next prime is 140442154243. The reversal of 140442154232 is 232451244041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14897894 + ... + 14907317.

It is an arithmetic number, because the mean of its divisors is an integer number (8941563600).

Almost surely, 2140442154232 is an apocalyptic number.

It is an amenable number.

140442154232 is an abundant number, since it is smaller than the sum of its proper divisors (145687880968).

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

140442154232 is a wasteful number, since it uses less digits than its factorization.

140442154232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29805267 (or 29805263 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 140442154232 its reverse (232451244041), we get a palindrome (372893398273).

The spelling of 140442154232 in words is "one hundred forty billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 31 38 62 76 124 152 248 589 1178 2356 4712 29805211 59610422 119220844 238441688 566299009 923961541 1132598018 1847923082 2265196036 3695846164 4530392072 7391692328 17555269279 35110538558 70221077116 140442154232