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121050306416 = 24131237470471
BaseRepresentation
bin111000010111100101…
…0010001011101110000
3102120110012111201001002
41300233022101131300
53440402334301131
6131335412101132
711513511425144
oct1605712213560
9376405451032
10121050306416
1147378818956
121b5636047a8
13b551989260
145c04a2b224
1532372c26cb
hex1c2f291770

121050306416 has 40 divisors (see below), whose sum is σ = 252780841824. Its totient is φ = 55824088320.

The previous prime is 121050306407. The next prime is 121050306439. The reversal of 121050306416 is 614603050121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22061 + ... + 492531.

Almost surely, 2121050306416 is an apocalyptic number.

121050306416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121050306416 is an abundant number, since it is smaller than the sum of its proper divisors (131730535408).

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

121050306416 is a wasteful number, since it uses less digits than its factorization.

121050306416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471729 (or 471723 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 121050306416 its reverse (614603050121), we get a palindrome (735653356537).

The spelling of 121050306416 in words is "one hundred twenty-one billion, fifty million, three hundred six thousand, four hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 1237 2474 4948 9896 16081 19792 32162 64324 128648 257296 470471 940942 1881884 3763768 6116123 7527536 12232246 24464492 48928984 97857968 581972627 1163945254 2327890508 4655781016 7565644151 9311562032 15131288302 30262576604 60525153208 121050306416