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121371874 = 213172311939
BaseRepresentation
bin1110011101111…
…11110011100010
322110101022220121
413032333303202
5222032344444
620013230454
73002433601
oct716776342
9273338817
10121371874
1162569538
123479242a
131c1b74a0
1412195a38
15a9c7084
hex73bfce2

121371874 has 32 divisors (see below), whose sum is σ = 216639360. Its totient is φ = 50426112.

The previous prime is 121371871. The next prime is 121371953. The reversal of 121371874 is 478173121.

It is a super-2 number, since 2×1213718742 = 29462263596543752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (121371871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4197 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (6769980).

Almost surely, 2121371874 is an apocalyptic number.

121371874 is a deficient number, since it is larger than the sum of its proper divisors (95267486).

121371874 is a wasteful number, since it uses less digits than its factorization.

121371874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994.

The product of its digits is 9408, while the sum is 34.

The square root of 121371874 is about 11016.8903961145. The cubic root of 121371874 is about 495.1149262110.

The spelling of 121371874 in words is "one hundred twenty-one million, three hundred seventy-one thousand, eight hundred seventy-four".

Divisors: 1 2 13 17 23 26 34 46 221 299 391 442 598 782 5083 10166 11939 23878 155207 202963 274597 310414 405926 549194 2638519 3569761 4668149 5277038 7139522 9336298 60685937 121371874