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121453175004 = 223717228737189
BaseRepresentation
bin111000100011100101…
…1000110000011011100
3102121111021120112211220
41301013023012003130
53442214003100004
6131443403013340
711526502645140
oct1610713060334
9377437515756
10121453175004
1147565172aa7
121b65650a250
13b5b7293435
145c4233b220
15325c850dd9
hex1c472c60dc

121453175004 has 96 divisors (see below), whose sum is σ = 343085783040. Its totient is φ = 32644518912.

The previous prime is 121453174981. The next prime is 121453175009. The reversal of 121453175004 is 400571354121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121453175009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3247242 + ... + 3284430.

It is an arithmetic number, because the mean of its divisors is an integer number (3573810240).

Almost surely, 2121453175004 is an apocalyptic number.

121453175004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121453175004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171542891520).

121453175004 is an abundant number, since it is smaller than the sum of its proper divisors (221632608036).

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

121453175004 is a wasteful number, since it uses less digits than its factorization.

121453175004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39507 (or 39505 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 121453175004 in words is "one hundred twenty-one billion, four hundred fifty-three million, one hundred seventy-five thousand, four".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 2287 4574 6861 9148 13722 16009 27444 32018 37189 38879 48027 64036 74378 77758 96054 111567 116637 148756 155516 192108 223134 233274 260323 272153 446268 466548 520646 544306 632213 780969 816459 1041292 1088612 1264426 1561938 1632918 1896639 2528852 3123876 3265836 3793278 4425491 7586556 8850982 13276473 17701964 26552946 53105892 85051243 170102486 255153729 340204972 510307458 595358701 1020614916 1190717402 1445871131 1786076103 2381434804 2891742262 3572152206 4337613393 5783484524 7144304412 8675226786 10121097917 17350453572 20242195834 30363293751 40484391668 60726587502 121453175004