Search a number
-
+
154342142331 = 313192925727947
BaseRepresentation
bin1000111110111110000…
…0100011000101111011
3112202101100222012100220
42033233200203011323
510012043042023311
6154523115431123
714102512364226
oct2175740430573
9482340865326
10154342142331
115a50212aa33
1225ab4a554a3
1311729035650
1476823285bd
154034dda206
hex23ef82317b

154342142331 has 64 divisors (see below), whose sum is σ = 242275622400. Its totient is φ = 86536912896.

The previous prime is 154342142309. The next prime is 154342142341. The reversal of 154342142331 is 133241243451.

It is not a de Polignac number, because 154342142331 - 214 = 154342125947 is a prime.

It is a super-2 number, since 2×1543421423312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154342142292 and 154342142301.

It is not an unprimeable number, because it can be changed into a prime (154342142341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5508700 + ... + 5536646.

It is an arithmetic number, because the mean of its divisors is an integer number (3785556600).

Almost surely, 2154342142331 is an apocalyptic number.

154342142331 is a deficient number, since it is larger than the sum of its proper divisors (87933480069).

154342142331 is a wasteful number, since it uses less digits than its factorization.

154342142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28268.

The product of its digits is 34560, while the sum is 33.

Adding to 154342142331 its reverse (133241243451), we get a palindrome (287583385782).

The spelling of 154342142331 in words is "one hundred fifty-four billion, three hundred forty-two million, one hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 3 13 19 29 39 57 87 247 257 377 551 741 771 1131 1653 3341 4883 7163 7453 10023 14649 21489 22359 27947 63479 83841 96889 141607 190437 290667 363311 424821 530993 810463 1089933 1592979 1840891 2431389 5522673 6902909 7182379 10536019 15398797 20708727 21547137 31608057 46196391 93370927 136465201 200184361 208288991 280112781 409395603 600553083 624866973 1774047613 2707756883 3957490829 5322142839 8123270649 11872472487 51447380777 154342142331