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121207070 = 25411012927
BaseRepresentation
bin1110011100101…
…11100100011110
322110001221211202
413032113210132
5222012111240
620005515502
73001146245
oct716274436
9273057752
10121207070
1162466736
1234712b92
131c15a47a
141215195c
15a993315
hex739791e

121207070 has 32 divisors (see below), whose sum is σ = 225783936. Its totient is φ = 46816000.

The previous prime is 121207069. The next prime is 121207081. The reversal of 121207070 is 70702121.

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, 39947 + ... + 42873.

It is an arithmetic number, because the mean of its divisors is an integer number (7055748).

Almost surely, 2121207070 is an apocalyptic number.

121207070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121207070 is a deficient number, since it is larger than the sum of its proper divisors (104576866).

121207070 is a wasteful number, since it uses less digits than its factorization.

121207070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 121207070 is about 11009.4082493111. The cubic root of 121207070 is about 494.8907285243.

Adding to 121207070 its reverse (70702121), we get a palindrome (191909191).

The spelling of 121207070 in words is "one hundred twenty-one million, two hundred seven thousand, seventy".

Divisors: 1 2 5 10 41 82 101 202 205 410 505 1010 2927 4141 5854 8282 14635 20705 29270 41410 120007 240014 295627 591254 600035 1200070 1478135 2956270 12120707 24241414 60603535 121207070