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121311302013310 = 2528342866184457
BaseRepresentation
bin11011100101010011111101…
…000100000101000101111110
3120220112020200012212020210011
4123211103331010011011332
5111400031021303411220
61110001350501533434
734360311103324633
oct3345237504050576
9526466605766704
10121311302013310
113572091a453272
1211732b3971427a
13528c7b6ba2a46
1421d56d966418a
15e058ba8c565a
hex6e54fd10517e

121311302013310 has 16 divisors (see below), whose sum is σ = 219131934949296. Its totient is φ = 48353056066368.

The previous prime is 121311302013287. The next prime is 121311302013347. The reversal of 121311302013310 is 13310203113121.

It is a super-2 number, since 2×1213113020133102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21433089399 + ... + 21433095058.

It is an arithmetic number, because the mean of its divisors is an integer number (13695745934331).

Almost surely, 2121311302013310 is an apocalyptic number.

121311302013310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311302013310 is a deficient number, since it is larger than the sum of its proper divisors (97820632935986).

121311302013310 is a wasteful number, since it uses less digits than its factorization.

121311302013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42866184747.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121311302013310 its reverse (13310203113121), we get a palindrome (134621505126431).

The spelling of 121311302013310 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred two million, thirteen thousand, three hundred ten".

Divisors: 1 2 5 10 283 566 1415 2830 42866184457 85732368914 214330922285 428661844570 12131130201331 24262260402662 60655651006655 121311302013310