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121093142 = 217101179197
BaseRepresentation
bin1110011011110…
…11110000010110
322102212011120012
413031323300112
5221444440032
620003240222
73000163142
oct715736026
9272764505
10121093142
1162399085
1234679072
131c11a661
1412122222
15a96e6b2
hex737bc16

121093142 has 32 divisors (see below), whose sum is σ = 196305120. Its totient is φ = 55820800.

The previous prime is 121093123. The next prime is 121093169. The reversal of 121093142 is 241390121.

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, 614588 + ... + 614784.

It is an arithmetic number, because the mean of its divisors is an integer number (6134535).

Almost surely, 2121093142 is an apocalyptic number.

121093142 is a deficient number, since it is larger than the sum of its proper divisors (75211978).

121093142 is a wasteful number, since it uses less digits than its factorization.

121093142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 121093142 is about 11004.2329128386. The cubic root of 121093142 is about 494.7356232007.

It can be divided in two parts, 12109 and 3142, that added together give a palindrome (15251).

The spelling of 121093142 in words is "one hundred twenty-one million, ninety-three thousand, one hundred forty-two".

Divisors: 1 2 17 34 101 179 197 202 358 394 1717 3043 3349 3434 6086 6698 18079 19897 35263 36158 39794 70526 307343 338249 599471 614686 676498 1198942 3561563 7123126 60546571 121093142