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1210101001148 = 221356940898371
BaseRepresentation
bin10001100110111111101…
…000111110101110111100
311021200111000112010122002
4101212333220332232330
5124311241324014043
62323525052041432
7153266300536664
oct21467750765674
94250430463562
101210101001148
11427223516826
12176638463278
138a15c1a9570
14427d7c5d1a4
1521726899bb8
hex119bfa3ebbc

1210101001148 has 24 divisors (see below), whose sum is σ = 2284583059920. Its totient is φ = 557526579840.

The previous prime is 1210101001147. The next prime is 1210101001169. The reversal of 1210101001148 is 8411001010121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210101001147) 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, 20419598 + ... + 20478773.

It is an arithmetic number, because the mean of its divisors is an integer number (95190960830).

Almost surely, 21210101001148 is an apocalyptic number.

It is an amenable number.

1210101001148 is a deficient number, since it is larger than the sum of its proper divisors (1074482058772).

1210101001148 is a wasteful number, since it uses less digits than its factorization.

1210101001148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40898957 (or 40898955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1210101001148 its reverse (8411001010121), we get a palindrome (9621102011269).

The spelling of 1210101001148 in words is "one trillion, two hundred ten billion, one hundred one million, one thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 52 569 1138 2276 7397 14794 29588 40898371 81796742 163593484 531678823 1063357646 2126715292 23271173099 46542346198 93084692396 302525250287 605050500574 1210101001148