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5231211040 = 255112972279
BaseRepresentation
bin1001101111100110…
…11111001000100000
3111111120110001111001
410313303133020200
541203142223130
62223031001344
7243430363066
oct46763371040
914446401431
105231211040
112244978310
12101bb09254
13654a23163
14378a8a036
152093c86ca
hex137cdf220

5231211040 has 48 divisors (see below), whose sum is σ = 13482262080. Its totient is φ = 1902257920.

The previous prime is 5231211017. The next prime is 5231211047. The reversal of 5231211040 is 401121325.

It is a junction number, because it is equal to n+sod(n) for n = 5231210999 and 5231211017.

It is not an unprimeable number, because it can be changed into a prime (5231211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484380 + ... + 1487899.

It is an arithmetic number, because the mean of its divisors is an integer number (280880460).

Almost surely, 25231211040 is an apocalyptic number.

It is an amenable number.

5231211040 is an abundant number, since it is smaller than the sum of its proper divisors (8251051040).

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

5231211040 is a wasteful number, since it uses less digits than its factorization.

5231211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972305 (or 2972297 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5231211040 is about 72327.1113760255. Note that the first 3 decimals coincide. The cubic root of 5231211040 is about 1735.9374813788.

Adding to 5231211040 its reverse (401121325), we get a palindrome (5632332365).

The spelling of 5231211040 in words is "five billion, two hundred thirty-one million, two hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 2972279 5944558 11889116 14861395 23778232 29722790 32695069 47556464 59445580 65390138 95112928 118891160 130780276 163475345 237782320 261560552 326950690 475564640 523121104 653901380 1046242208 1307802760 2615605520 5231211040