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203230132424 = 2311171072335449
BaseRepresentation
bin1011110101000101110…
…1011011100011001000
3201102120110100102011122
42331101131123203020
511312203403214144
6233210155014412
720453142423464
oct2752135334310
9642513312148
10203230132424
117920a125530
123347943a408
131621a5ab037
149b9d0b14a4
155446d257ee
hex2f5175b8c8

203230132424 has 128 divisors (see below), whose sum is σ = 446252976000. Its totient is φ = 85745418240.

The previous prime is 203230132387. The next prime is 203230132439. The reversal of 203230132424 is 424231032302.

It is a super-2 number, since 2×2032301324242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203230132393 and 203230132402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37294052 + ... + 37299500.

It is an arithmetic number, because the mean of its divisors is an integer number (3486351375).

Almost surely, 2203230132424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203230132424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223126488000).

203230132424 is an abundant number, since it is smaller than the sum of its proper divisors (243022843576).

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

203230132424 is a wasteful number, since it uses less digits than its factorization.

203230132424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823 (or 5819 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203230132424 its reverse (424231032302), we get a palindrome (627461164726).

The spelling of 203230132424 in words is "two hundred three billion, two hundred thirty million, one hundred thirty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 107 136 187 214 233 374 428 466 748 856 932 1177 1496 1819 1864 2354 2563 3638 3961 4708 5126 5449 7276 7922 9416 10252 10898 14552 15844 20009 20504 21796 24931 31688 40018 43571 43592 49862 59939 80036 87142 92633 99724 119878 160072 174284 185266 199448 239756 274241 348568 370532 423827 479512 548482 583043 741064 847654 1018963 1096964 1166086 1269617 1695308 2037926 2193928 2332172 2539234 3390616 4075852 4662097 4664344 5078468 6413473 8151704 9324194 9911731 10156936 12826946 13965787 18648388 19823462 21583489 25653892 27931574 37296776 39646924 43166978 51307784 55863148 79293848 86333956 109029041 111726296 135849019 172667912 218058082 237418379 271698038 436116164 474836758 543396076 872232328 949673516 1086792152 1494339209 1899347032 2309433323 2988678418 4618866646 5977356836 9237733292 11954713672 18475466584 25403766553 50807533106 101615066212 203230132424