Search a number
-
+
1010120201200 = 245211488946957
BaseRepresentation
bin11101011001011111101…
…10110001001111110000
310120120022000100220122201
432230233312301033300
5113022211232414300
62052013125312544
7132656502020545
oct16545766611760
93516260326581
101010120201200
1135a431579940
12143927265754
137433bb50686
1436c66538bcc
151b41ee6966a
hexeb2fdb13f0

1010120201200 has 120 divisors (see below), whose sum is σ = 2648031117840. Its totient is φ = 367233484800.

The previous prime is 1010120201197. The next prime is 1010120201201. The reversal of 1010120201200 is 21020210101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120201201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21488122 + ... + 21535078.

It is an arithmetic number, because the mean of its divisors is an integer number (22066925982).

Almost surely, 21010120201200 is an apocalyptic number.

1010120201200 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 1010120201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324015558920).

1010120201200 is an abundant number, since it is smaller than the sum of its proper divisors (1637910916640).

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

1010120201200 is a wasteful number, since it uses less digits than its factorization.

1010120201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51875 (or 51864 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010120201200 its reverse (21020210101), we get a palindrome (1031140411301).

The spelling of 1010120201200 in words is "one trillion, ten billion, one hundred twenty million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 4889 9778 19556 24445 39112 46957 48890 53779 78224 93914 97780 107558 122225 187828 195560 215116 234785 244450 268895 375656 391120 430232 469570 488900 516527 537790 751312 860464 939140 977800 1033054 1075580 1173925 1344475 1878280 1955600 2066108 2151160 2347850 2582635 2688950 3756560 4132216 4302320 4695700 5165270 5377900 8264432 9391400 10330540 10755800 12913175 18782800 20661080 21511600 25826350 41322160 51652700 103305400 206610800 229572773 459145546 918291092 1147863865 1836582184 2295727730 2525300503 3673164368 4591455460 5050601006 5739319325 9182910920 10101202012 11478638650 12626502515 18365821840 20202404024 22957277300 25253005030 40404808048 45914554600 50506010060 63132512575 91829109200 101012020120 126265025150 202024040240 252530050300 505060100600 1010120201200