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102244420101 = 31789113199343
BaseRepresentation
bin101111100111000111…
…1100000101000000101
3100202220120220200211010
41133032033200220011
53133344032420401
6114545340432433
710246466142225
oct1371617405005
9322816820733
10102244420101
113a3a834514a
1217995548719
1398457c4785
144d3d182085
1529d62cced6
hex17ce3e0a05

102244420101 has 32 divisors (see below), whose sum is σ = 147259399680. Its totient is φ = 62870872064.

The previous prime is 102244420097. The next prime is 102244420121. The reversal of 102244420101 is 101024442201.

It is not a de Polignac number, because 102244420101 - 22 = 102244420097 is a prime.

It is a super-4 number, since 4×1022444201014 (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244420121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413236 + ... + 612578.

It is an arithmetic number, because the mean of its divisors is an integer number (4601856240).

Almost surely, 2102244420101 is an apocalyptic number.

It is an amenable number.

102244420101 is a deficient number, since it is larger than the sum of its proper divisors (45014979579).

102244420101 is a wasteful number, since it uses less digits than its factorization.

102244420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199565.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102244420101 its reverse (101024442201), we get a palindrome (203268862302).

The spelling of 102244420101 in words is "one hundred two billion, two hundred forty-four million, four hundred twenty thousand, one hundred one".

Divisors: 1 3 17 51 89 113 267 339 1513 1921 4539 5763 10057 30171 170969 199343 512907 598029 3388831 10166493 17741527 22525759 53224581 67577277 301605959 382937903 904817877 1148813709 2004792551 6014377653 34081473367 102244420101