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121102020960 = 25352003125959
BaseRepresentation
bin111000011001000111…
…1100011000101100000
3102120120210211002001120
41300302033203011200
53441004104132320
6131344500332240
711515010123334
oct1606217430540
9376523732046
10121102020960
11473a4a2a848
121b5789a4080
13b55c5c4b8b
145c0b84d7c4
15323bada440
hex1c323e3160

121102020960 has 96 divisors (see below), whose sum is σ = 381664846080. Its totient is φ = 32277493248.

The previous prime is 121102020929. The next prime is 121102020961. The reversal of 121102020960 is 69020201121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 121102020960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102020961) 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, 898461 + ... + 1024419.

It is an arithmetic number, because the mean of its divisors is an integer number (3975675480).

Almost surely, 2121102020960 is an apocalyptic number.

121102020960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102020960 is an abundant number, since it is smaller than the sum of its proper divisors (260562825120).

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

121102020960 is a wasteful number, since it uses less digits than its factorization.

121102020960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127980 (or 127972 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 121102020960 in words is "one hundred twenty-one billion, one hundred two million, twenty thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 2003 4006 6009 8012 10015 12018 16024 20030 24036 30045 32048 40060 48072 60090 64096 80120 96144 120180 125959 160240 192288 240360 251918 320480 377877 480720 503836 629795 755754 961440 1007672 1259590 1511508 1889385 2015344 2519180 3023016 3778770 4030688 5038360 6046032 7557540 10076720 12092064 15115080 20153440 30230160 60460320 252295877 504591754 756887631 1009183508 1261479385 1513775262 2018367016 2522958770 3027550524 3784438155 4036734032 5045917540 6055101048 7568876310 8073468064 10091835080 12110202096 15137752620 20183670160 24220404192 30275505240 40367340320 60551010480 121102020960