Search a number
-
+
221010021002010 = 23510465970390513
BaseRepresentation
bin110010010000000111100111…
…110010110010101100011010
31001222112100111100210122011210
4302100013213302302230122
5212432012010334031020
62102014334011003550
764360306231241652
oct6220074762625432
91058470440718153
10221010021002010
1164469907155419
1220955280a395b6
1396422039a0126
143c80d29157362
151a83ea02e73e0
hexc901e7cb2b1a

221010021002010 has 32 divisors (see below), whose sum is σ = 530429126057280. Its totient is φ = 58935441639168.

The previous prime is 221010021001967. The next prime is 221010021002021. The reversal of 221010021002010 is 10200120010122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32055487 + ... + 38335026.

It is an arithmetic number, because the mean of its divisors is an integer number (16575910189290).

Almost surely, 2221010021002010 is an apocalyptic number.

221010021002010 is an abundant number, since it is smaller than the sum of its proper divisors (309419105055270).

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

221010021002010 is a wasteful number, since it uses less digits than its factorization.

221010021002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70495182.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221010021002010 its reverse (10200120010122), we get a palindrome (231210141012132).

The spelling of 221010021002010 in words is "two hundred twenty-one trillion, ten billion, twenty-one million, two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 104659 209318 313977 523295 627954 1046590 1569885 3139770 70390513 140781026 211171539 351952565 422343078 703905130 1055857695 2111715390 7367000700067 14734001400134 22101002100201 36835003500335 44202004200402 73670007000670 110505010501005 221010021002010