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121030323310 = 25132340478369
BaseRepresentation
bin111000010110111111…
…0000010110001101110
3102120101210220110101001
41300231332002301232
53440332230321220
6131333415510514
711513146526311
oct1605576026156
9376353813331
10121030323310
114736850a296
121b55898843a
13b54a7b0730
145c02108978
15323567680a
hex1c2df82c6e

121030323310 has 32 divisors (see below), whose sum is σ = 244813181760. Its totient is φ = 42745156608.

The previous prime is 121030323307. The next prime is 121030323331. The reversal of 121030323310 is 13323030121.

It is a super-2 number, since 2×1210303233102 (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 20236195 + ... + 20242174.

It is an arithmetic number, because the mean of its divisors is an integer number (7650411930).

Almost surely, 2121030323310 is an apocalyptic number.

121030323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030323310 is an abundant number, since it is smaller than the sum of its proper divisors (123782858450).

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

121030323310 is a wasteful number, since it uses less digits than its factorization.

121030323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40478412.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121030323310 its reverse (13323030121), we get a palindrome (134353353431).

The spelling of 121030323310 in words is "one hundred twenty-one billion, thirty million, three hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 40478369 80956738 202391845 404783690 526218797 931002487 1052437594 1862004974 2631093985 4655012435 5262187970 9310024870 12103032331 24206064662 60515161655 121030323310