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122060780 = 22537281587
BaseRepresentation
bin1110100011001…
…11111111101100
322111200022220122
413101213333230
5222221421110
620040104112
73011333222
oct721477754
9274608818
10122060780
116299a086
1234a65038
131c398c1a
14122d4b12
15aab1255
hex7467fec

122060780 has 48 divisors (see below), whose sum is σ = 264642336. Its totient is φ = 47255040.

The previous prime is 122060779. The next prime is 122060803. The reversal of 122060780 is 87060221.

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, 207647 + ... + 208233.

It is an arithmetic number, because the mean of its divisors is an integer number (5513382).

Almost surely, 2122060780 is an apocalyptic number.

122060780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122060780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132321168).

122060780 is an abundant number, since it is smaller than the sum of its proper divisors (142581556).

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

122060780 is a wasteful number, since it uses less digits than its factorization.

122060780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 122060780 is about 11048.1120559125. The cubic root of 122060780 is about 496.0499158488.

The spelling of 122060780 in words is "one hundred twenty-two million, sixty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 281 370 562 587 740 1124 1174 1405 2348 2810 2935 5620 5870 10397 11740 20794 21719 41588 43438 51985 86876 103970 108595 164947 207940 217190 329894 434380 659788 824735 1649470 3298940 6103039 12206078 24412156 30515195 61030390 122060780