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122989068 = 22328341161
BaseRepresentation
bin1110101010010…
…10101000001100
322120102111021200
413111022220030
5222441122233
620112025500
73022250466
oct725125014
9276374250
10122989068
1163473564
1235232290
131c6325c7
1412497136
15abe6313
hex754aa0c

122989068 has 36 divisors (see below), whose sum is σ = 314642328. Its totient is φ = 40501440.

The previous prime is 122989049. The next prime is 122989079. The reversal of 122989068 is 860989221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17593 + ... + 23568.

Almost surely, 2122989068 is an apocalyptic number.

122989068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122989068 is an abundant number, since it is smaller than the sum of its proper divisors (191653260).

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

122989068 is a wasteful number, since it uses less digits than its factorization.

122989068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41254 (or 41249 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 122989068 is about 11090.0436428357. The cubic root of 122989068 is about 497.3042493101.

The spelling of 122989068 in words is "one hundred twenty-two million, nine hundred eighty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 41161 82322 123483 164644 246966 370449 493932 740898 1481796 3416363 6832726 10249089 13665452 20498178 30747267 40996356 61494534 122989068