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121334435470 = 2579153587893
BaseRepresentation
bin111000100000000011…
…0001000111010001110
3102121012000010221211101
41301000012020322032
53441443103413340
6131423522013314
711523531453553
oct1610006107216
9377160127741
10121334435470
1147504142256
121b6227a723a
13b5987bb161
145c3066ca2a
1532521e8c9a
hex1c40188e8e

121334435470 has 16 divisors (see below), whose sum is σ = 221166567360. Its totient is φ = 47919422304.

The previous prime is 121334435449. The next prime is 121334435471. The reversal of 121334435470 is 74534433121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334435471) 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, 76793157 + ... + 76794736.

It is an arithmetic number, because the mean of its divisors is an integer number (13822910460).

Almost surely, 2121334435470 is an apocalyptic number.

121334435470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121334435470 is a deficient number, since it is larger than the sum of its proper divisors (99832131890).

121334435470 is a wasteful number, since it uses less digits than its factorization.

121334435470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153587979.

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 121334435470 its reverse (74534433121), we get a palindrome (195868868591).

The spelling of 121334435470 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred thirty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 79 158 395 790 153587893 307175786 767939465 1535878930 12133443547 24266887094 60667217735 121334435470