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122424131000 = 2353165773883
BaseRepresentation
bin111001000000100001…
…0111111110110111000
3102200222221121020002002
41302001002333312320
54001211034143000
6132124010000132
711562532641503
oct1620102776670
9380887536062
10122424131000
1147a13259676
121b887716048
13b7104a1802
145cd528813a
1532b7be68d5
hex1c810bfdb8

122424131000 has 64 divisors (see below), whose sum is σ = 286649232480. Its totient is φ = 48939436800.

The previous prime is 122424130991. The next prime is 122424131029. The reversal of 122424131000 is 131424221.

It is a super-2 number, since 2×1224241310002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620059 + ... + 1693941.

Almost surely, 2122424131000 is an apocalyptic number.

122424131000 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 122424131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143324616240).

122424131000 is an abundant number, since it is smaller than the sum of its proper divisors (164225101480).

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

122424131000 is a wasteful number, since it uses less digits than its factorization.

122424131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75561 (or 75547 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122424131000 its reverse (131424221), we get a palindrome (122555555221).

The spelling of 122424131000 in words is "one hundred twenty-two billion, four hundred twenty-four million, one hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1657 3314 6628 8285 13256 16570 33140 41425 66280 73883 82850 147766 165700 207125 295532 331400 369415 414250 591064 738830 828500 1477660 1657000 1847075 2955320 3694150 7388300 9235375 14776600 18470750 36941500 73883000 122424131 244848262 489696524 612120655 979393048 1224241310 2448482620 3060603275 4896965240 6121206550 12242413100 15303016375 24484826200 30606032750 61212065500 122424131000