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121887038 = 27135911351
BaseRepresentation
bin1110100001111…
…01100100111110
322111100111120202
413100331210332
5222200341123
620032243502
73010010540
oct720754476
9274314522
10121887038
1162890599
12349a0592
131c337b10
141228b690
15aa79a28
hex743d93e

121887038 has 32 divisors (see below), whose sum is σ = 228856320. Its totient is φ = 47397600.

The previous prime is 121887023. The next prime is 121887043. The reversal of 121887038 is 830788121.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 121886992 and 121887010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5063 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (7151760).

Almost surely, 2121887038 is an apocalyptic number.

121887038 is a deficient number, since it is larger than the sum of its proper divisors (106969282).

121887038 is a wasteful number, since it uses less digits than its factorization.

121887038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 121887038 is about 11040.2462834848. The cubic root of 121887038 is about 495.8144440104.

The spelling of 121887038 in words is "one hundred twenty-one million, eight hundred eighty-seven thousand, thirty-eight".

Divisors: 1 2 7 13 14 26 59 91 118 182 413 767 826 1534 5369 10738 11351 22702 79457 147563 158914 295126 669709 1032941 1339418 2065882 4687963 8706217 9375926 17412434 60943519 121887038