Search a number
-
+
213152342502 = 231141109722663
BaseRepresentation
bin1100011010000011011…
…1101010000111100110
3202101011221201220120210
43012200313222013212
511443013444430002
6241530522240250
721254054005611
oct3064067520746
9671157656523
10213152342502
1182440a38850
1235388356086
131713c130068
14a460b85178
155827e6996c
hex31a0dea1e6

213152342502 has 64 divisors (see below), whose sum is σ = 480773905920. Its totient is φ = 62437996800.

The previous prime is 213152342489. The next prime is 213152342531. The reversal of 213152342502 is 205243251312.

213152342502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2131523425022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213152342502.

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 31 ways as a sum of consecutive naturals, for example, 66378 + ... + 656285.

It is an arithmetic number, because the mean of its divisors is an integer number (7512092280).

Almost surely, 2213152342502 is an apocalyptic number.

213152342502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213152342502 is an abundant number, since it is smaller than the sum of its proper divisors (267621563418).

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

213152342502 is a wasteful number, since it uses less digits than its factorization.

213152342502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722829.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 213152342502 its reverse (205243251312), we get a palindrome (418395593814).

The spelling of 213152342502 in words is "two hundred thirteen billion, one hundred fifty-two million, three hundred forty-two thousand, five hundred two".

Divisors: 1 2 3 6 11 22 33 41 66 82 109 123 218 246 327 451 654 902 1199 1353 2398 2706 3597 4469 7194 8938 13407 26814 49159 98318 147477 294954 722663 1445326 2167989 4335978 7949293 15898586 23847879 29629183 47695758 59258366 78770267 88887549 157540534 177775098 236310801 325921013 472621602 651842026 866472937 977763039 1732945874 1955526078 2599418811 3229580947 5198837622 6459161894 9688742841 19377485682 35525390417 71050780834 106576171251 213152342502