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101221000097 = 793715432383
BaseRepresentation
bin101111001000100111…
…1011110001110100001
3100200021021011120111112
41132101033132032201
53124300034000342
6114300021153105
710212231206360
oct1362117361641
9320237146445
10101221000097
1139a22685598
121774a85b795
1397117775c9
144c832997d7
152976522682
hex17913de3a1

101221000097 has 8 divisors (see below), whose sum is σ = 115804609536. Its totient is φ = 86668257312.

The previous prime is 101221000087. The next prime is 101221000117. The reversal of 101221000097 is 790000122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101221000097 - 210 = 101220999073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221000037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7709633 + ... + 7722750.

It is an arithmetic number, because the mean of its divisors is an integer number (14475576192).

Almost surely, 2101221000097 is an apocalyptic number.

It is an amenable number.

101221000097 is a deficient number, since it is larger than the sum of its proper divisors (14583609439).

101221000097 is an equidigital number, since it uses as much as digits as its factorization.

101221000097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433327.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 101221000097 its reverse (790000122101), we get a palindrome (891221122198).

The spelling of 101221000097 in words is "one hundred one billion, two hundred twenty-one million, ninety-seven", and thus it is an aban number.

Divisors: 1 7 937 6559 15432383 108026681 14460142871 101221000097