Search a number
-
+
7235740424040 = 2335463130232909
BaseRepresentation
bin110100101001011001110…
…1111001101011101101000
3221121201201012011022122120
41221102303233031131220
51422022244022032130
623220015300551240
71344523251544212
oct151226357153550
927551635138576
107235740424040
11233a72991a077
1298a4029b2520
134064343923bb
141b02d6cc15b2
15c834170d910
hex694b3bcd768

7235740424040 has 64 divisors (see below), whose sum is σ = 21754105286400. Its totient is φ = 1925363311872.

The previous prime is 7235740423981. The next prime is 7235740424057. The reversal of 7235740424040 is 404240475327.

It is a junction number, because it is equal to n+sod(n) for n = 7235740423983 and 7235740424001.

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, 65060895 + ... + 65172014.

It is an arithmetic number, because the mean of its divisors is an integer number (339907895100).

Almost surely, 27235740424040 is an apocalyptic number.

It is an amenable number.

7235740424040 is an abundant number, since it is smaller than the sum of its proper divisors (14518364862360).

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

7235740424040 is a wasteful number, since it uses less digits than its factorization.

7235740424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130233386 (or 130233382 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 42.

Adding to 7235740424040 its reverse (404240475327), we get a palindrome (7639980899367).

The spelling of 7235740424040 in words is "seven trillion, two hundred thirty-five billion, seven hundred forty million, four hundred twenty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 463 926 1389 1852 2315 2778 3704 4630 5556 6945 9260 11112 13890 18520 27780 55560 130232909 260465818 390698727 520931636 651164545 781397454 1041863272 1302329090 1562794908 1953493635 2604658180 3125589816 3906987270 5209316360 7813974540 15627949080 60297836867 120595673734 180893510601 241191347468 301489184335 361787021202 482382694936 602978368670 723574042404 904467553005 1205956737340 1447148084808 1808935106010 2411913474680 3617870212020 7235740424040