Search a number
-
+
331010213962540 = 225717139079921833
BaseRepresentation
bin100101101000011010101001…
…0001110000110001100101100
31121102000021012221102211101011
41023100311102032012030230
5321341232404233300130
63131555554254355004
7126502461451156630
oct11320652216061454
91542007187384334
10331010213962540
11965197093aa722
123115bbb6abba64
131129118ac326c8
145ba4da0966dc0
15284050692352a
hex12d0d5238632c

331010213962540 has 48 divisors (see below), whose sum is σ = 841155367252032. Its totient is φ = 106813379966976.

The previous prime is 331010213962529. The next prime is 331010213962541. The reversal of 331010213962540 is 45269312010133.

It is a junction number, because it is equal to n+sod(n) for n = 331010213962493 and 331010213962502.

It is not an unprimeable number, because it can be changed into a prime (331010213962541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69539958537 + ... + 69539963296.

It is an arithmetic number, because the mean of its divisors is an integer number (17524070151084).

Almost surely, 2331010213962540 is an apocalyptic number.

It is an amenable number.

331010213962540 is an abundant number, since it is smaller than the sum of its proper divisors (510145153289492).

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

331010213962540 is a wasteful number, since it uses less digits than its factorization.

331010213962540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139079921866 (or 139079921864 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

Adding to 331010213962540 its reverse (45269312010133), we get a palindrome (376279525972673).

The spelling of 331010213962540 in words is "three hundred thirty-one trillion, ten billion, two hundred thirteen million, nine hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 139079921833 278159843666 556319687332 695399609165 973559452831 1390799218330 1947118905662 2364358671161 2781598436660 3894237811324 4728717342322 4867797264155 9457434684644 9735594528310 11821793355805 16550510698127 19471189056620 23643586711610 33101021396254 47287173423220 66202042792508 82752553490635 165505106981270 331010213962540