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121250052 = 2232711173183
BaseRepresentation
bin1110011101000…
…10000100000100
322110011010210200
413032202010010
5222020000202
620010450500
73001415460
oct716420404
9273133720
10121250052
1162495a60
1234733a30
131c173bc1
14121634a0
15a9a0e1c
hex73a2104

121250052 has 288 divisors, whose sum is σ = 422682624. Its totient is φ = 28339200.

The previous prime is 121250027. The next prime is 121250053. The reversal of 121250052 is 250052121.

It is a super-2 number, since 2×1212500522 = 29403150220005408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121250053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1460803 + ... + 1460885.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 2121250052 is an apocalyptic number.

121250052 is a gapful number since it is divisible by the number (12) 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 121250052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211341312).

121250052 is an abundant number, since it is smaller than the sum of its proper divisors (301432572).

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

121250052 is a wasteful number, since it uses less digits than its factorization.

121250052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 121250052 is about 11011.3601339707. The cubic root of 121250052 is about 494.9492203802.

The spelling of 121250052 in words is "one hundred twenty-one million, two hundred fifty thousand, fifty-two".