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101021221200248 = 2381799154374169
BaseRepresentation
bin10110111110000011010110…
…000000010010000101111000
3111020200112102121011121211022
4112332003112000102011320
5101220112430111401443
6554504301445122012
730164354015131616
oct2676032600220570
9436615377147738
10101021221200248
112a20894a827998
12b3b670a6b9308
13444a34cac43bb
141ad364b7cc6b6
15ba2bd90c8e68
hex5be0d6012178

101021221200248 has 16 divisors (see below), whose sum is σ = 189417106590000. Its totient is φ = 50509992776256.

The previous prime is 101021221200247. The next prime is 101021221200343. The reversal of 101021221200248 is 842002122120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021221200247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76532693 + ... + 77841476.

It is an arithmetic number, because the mean of its divisors is an integer number (11838569161875).

Almost surely, 2101021221200248 is an apocalyptic number.

It is an amenable number.

101021221200248 is a deficient number, since it is larger than the sum of its proper divisors (88395885389752).

101021221200248 is a wasteful number, since it uses less digits than its factorization.

101021221200248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154455974 (or 154455970 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 101021221200248 its reverse (842002122120101), we get a palindrome (943023343320349).

The spelling of 101021221200248 in words is "one hundred one trillion, twenty-one billion, two hundred twenty-one million, two hundred thousand, two hundred forty-eight".

Divisors: 1 2 4 8 81799 163598 327196 654392 154374169 308748338 617496676 1234993352 12627652650031 25255305300062 50510610600124 101021221200248