Search a number
-
+
31203682820336 = 2413374054532591
BaseRepresentation
bin1110001100001001011000…
…11011100010000011110000
311002111001011022021112012202
413012010230123202003300
513042220120300222321
6150210435103242332
76400251230504615
oct706045433420360
9132431138245182
1031203682820336
119a40453523614
1235bb5962a93a8
131454657a14090
1479c3a2a6250c
15391a2ce8570b
hex1c612c6e20f0

31203682820336 has 40 divisors (see below), whose sum is σ = 66867351507264. Its totient is φ = 14012464631040.

The previous prime is 31203682820287. The next prime is 31203682820341. The reversal of 31203682820336 is 63302828630213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027258600 + ... + 2027273991.

Almost surely, 231203682820336 is an apocalyptic number.

It is an amenable number.

31203682820336 is an abundant number, since it is smaller than the sum of its proper divisors (35663668686928).

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

31203682820336 is a wasteful number, since it uses less digits than its factorization.

31203682820336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054532649 (or 4054532643 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 31203682820336 in words is "thirty-one trillion, two hundred three billion, six hundred eighty-two million, eight hundred twenty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 37 52 74 104 148 208 296 481 592 962 1924 3848 7696 4054532591 8109065182 16218130364 32436260728 52708923683 64872521456 105417847366 150017705867 210835694732 300035411734 421671389464 600070823468 843342778928 1200141646936 1950230176271 2400283293872 3900460352542 7800920705084 15601841410168 31203682820336