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201311013100 = 22521726965779
BaseRepresentation
bin1011101101111100010…
…0100100100011101100
3201020121201012001101011
42323133010210203230
511244241104404400
6232251521355004
720354450243431
oct2733704444354
9636551161334
10201311013100
11784149007aa
1233022798a64
1315ca2b11b82
149a5a26bb88
1553835dc8ba
hex2edf1248ec

201311013100 has 54 divisors (see below), whose sum is σ = 464053297820. Its totient is φ = 75787664640.

The previous prime is 201311013097. The next prime is 201311013131. The reversal of 201311013100 is 1310113102.

It is a super-2 number, since 2×2013110131002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3453990 + ... + 3511789.

Almost surely, 2201311013100 is an apocalyptic number.

201311013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201311013100 is an abundant number, since it is smaller than the sum of its proper divisors (262742284720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311013100 is a wasteful number, since it uses less digits than its factorization.

201311013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965827 (or 6965803 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 201311013100 its reverse (1310113102), we get a palindrome (202621126202).

The spelling of 201311013100 in words is "two hundred one billion, three hundred eleven million, thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 2890 5780 7225 14450 28900 6965779 13931558 27863116 34828895 69657790 118418243 139315580 174144475 236836486 348288950 473672972 592091215 696577900 1184182430 2013110131 2368364860 2960456075 4026220262 5920912150 8052440524 10065550655 11841824300 20131101310 40262202620 50327753275 100655506550 201311013100