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121700652 = 22314237127
BaseRepresentation
bin1110100000100…
…00000100101100
322111000000220120
413100100010230
5222123410102
620024244540
73005303253
oct720200454
9274000816
10121700652
1162773557
1234910750
131c2a1028
141223d79a
15aa3e6bc
hex741012c

121700652 has 24 divisors (see below), whose sum is σ = 284207616. Its totient is φ = 40532688.

The previous prime is 121700651. The next prime is 121700653. The reversal of 121700652 is 256007121.

It is an interprime number because it is at equal distance from previous prime (121700651) and next prime (121700653).

It is a super-2 number, since 2×1217006522 = 29622097394450208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121700651) 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, 13513 + ... + 20639.

It is an arithmetic number, because the mean of its divisors is an integer number (11841984).

Almost surely, 2121700652 is an apocalyptic number.

121700652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121700652 is an abundant number, since it is smaller than the sum of its proper divisors (162506964).

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

121700652 is a wasteful number, since it uses less digits than its factorization.

121700652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557 (or 8555 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 121700652 is about 11031.8018473865. The cubic root of 121700652 is about 495.5615868909.

Adding to 121700652 its reverse (256007121), we get a palindrome (377707773).

The spelling of 121700652 in words is "one hundred twenty-one million, seven hundred thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 1423 2846 4269 5692 7127 8538 14254 17076 21381 28508 42762 85524 10141721 20283442 30425163 40566884 60850326 121700652