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122210011400 = 23521773349037
BaseRepresentation
bin111000111010001001…
…0001100100100001000
3102200110000200211012112
41301310102030210020
54000241230331100
6132050440401452
711554322646221
oct1616422144410
9380400624175
10122210011400
1147913402424
121b827a76288
13b6a8012819
145cb4a6c248
1532a3eedb35
hex1c7448c908

122210011400 has 96 divisors (see below), whose sum is σ = 301268876040. Its totient is φ = 45944770560.

The previous prime is 122210011387. The next prime is 122210011433. The reversal of 122210011400 is 4110012221.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 91606707556 + 30603303844 = 302666^2 + 174938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2467682 + ... + 2516718.

Almost surely, 2122210011400 is an apocalyptic number.

122210011400 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 122210011400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150634438020).

122210011400 is an abundant number, since it is smaller than the sum of its proper divisors (179058864640).

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

122210011400 is a wasteful number, since it uses less digits than its factorization.

122210011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803 (or 49794 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122210011400 its reverse (4110012221), we get a palindrome (126320023621).

The spelling of 122210011400 in words is "one hundred twenty-two billion, two hundred ten million, eleven thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 733 850 1466 1700 2932 3400 3665 5864 7330 12461 14660 18325 24922 29320 36650 49037 49844 62305 73300 98074 99688 124610 146600 196148 245185 249220 311525 392296 490370 498440 623050 833629 980740 1225925 1246100 1667258 1961480 2451850 2492200 3334516 4168145 4903700 6669032 8336290 9807400 16672580 20840725 33345160 35944121 41681450 71888242 83362900 143776484 166725800 179720605 287552968 359441210 611050057 718882420 898603025 1222100114 1437764840 1797206050 2444200228 3055250285 3594412100 4888400456 6110500570 7188824200 12221001140 15276251425 24442002280 30552502850 61105005700 122210011400