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1220200102 = 2111913921001
BaseRepresentation
bin100100010111010…
…1100011010100110
310011001000120212101
41020232230122212
54444332400402
6321025042314
742144346462
oct11056543246
93131016771
101220200102
11576853440
122a078639a
13165a479c4
14b80ab4a2
15721cab87
hex48bac6a6

1220200102 has 32 divisors (see below), whose sum is σ = 2117001600. Its totient is φ = 521640000.

The previous prime is 1220200099. The next prime is 1220200127. The reversal of 1220200102 is 2010020221.

It is a super-3 number, since 3×12202001023 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47602 + ... + 68602.

It is an arithmetic number, because the mean of its divisors is an integer number (66156300).

Almost surely, 21220200102 is an apocalyptic number.

1220200102 is a deficient number, since it is larger than the sum of its proper divisors (896801498).

1220200102 is a wasteful number, since it uses less digits than its factorization.

1220200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21172.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220200102 is about 34931.3627274975. The cubic root of 1220200102 is about 1068.5881463367.

Adding to 1220200102 its reverse (2010020221), we get a palindrome (3230220323).

The spelling of 1220200102 in words is "one billion, two hundred twenty million, two hundred thousand, one hundred two".

Divisors: 1 2 11 19 22 38 139 209 278 418 1529 2641 3058 5282 21001 29051 42002 58102 231011 399019 462022 798038 2919139 4389209 5838278 8778418 32110529 55463641 64221058 110927282 610100051 1220200102